{"id":1860,"date":"2026-08-11T04:51:43","date_gmt":"2026-08-11T04:51:43","guid":{"rendered":"https:\/\/www.valvefac.com\/?post_type=product&#038;p=1860"},"modified":"2026-08-12T09:56:32","modified_gmt":"2026-08-12T09:56:32","slug":"bronze-wafer-check-valve","status":"publish","type":"product","link":"https:\/\/www.valvefac.com\/index.php\/product\/bronze-wafer-check-valve\/","title":{"rendered":"Bronze Wafer Check Valve for Marine Seawater Wafer\u2011Clamped Pipeline System"},"content":{"rendered":"<h3>Bronze Wafer Check Valve<\/h3>\n<h3>1. General Description<\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Product Type:<\/strong>\u00a0Wafer Type, Dual Plate Check Valve (Non-Slam \/ Silent Type)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Design:<\/strong>\u00a0Spring-assisted closure for rapid response and prevention of water hammer<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>End Connections:<\/strong>\u00a0Wafer style for sandwich mounting between two pipe flanges (PN10\/PN16\/Class 150)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Installation:<\/strong>\u00a0Suitable for horizontal or vertical pipelines (flow direction upward)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Design Standard:<\/strong>\u00a0API 594 \/ BS 5153 \/ EN 16767 \/ DIN 3202 K3<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Face-to-Face:<\/strong>\u00a0EN 558 Series 52 \/ DIN 3202 K3 \/ API 594 Table 1<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Flange Drilling:<\/strong>\u00a0EN 1092-2 PN10\/PN16, ASME B16.5 Class 150<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Test Standard:<\/strong>\u00a0EN 12266-1 \/ API 598<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>2. Application<\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Suitable Media:<\/strong>\u00a0Seawater, brines, aggressive chemicals, sour gas, hydrocarbons, acids, and alkalis where high corrosion resistance is required.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Typical Industries:<\/strong>\u00a0Offshore platforms, shipbuilding, marine engineering, chemical processing, desalination plants, oil &amp; gas, and power generation.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Temperature Range:<\/strong>\u00a0-20\u00b0C to +200\u00b0C (depending on Viton grade \u2013 FKM\/FPM).<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>3. Technical Parameters (Reference Values)<\/h3>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9 _5ac647c\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table width=\"1280\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Nominal Diameter (DN)<\/strong><\/td>\n<td>DN50 \u2013 DN600 (Larger sizes available upon request)<\/td>\n<\/tr>\n<tr>\n<td><strong>Pressure Rating<\/strong><\/td>\n<td>PN10 \/ PN16 \/ Class 150LB<\/td>\n<\/tr>\n<tr>\n<td><strong>Shell Test Pressure<\/strong><\/td>\n<td>1.5 x PN (e.g., 24 bar for PN16)<\/td>\n<\/tr>\n<tr>\n<td><strong>Seat Test Pressure<\/strong><\/td>\n<td>1.1 x PN (e.g., 17.6 bar for PN16)<\/td>\n<\/tr>\n<tr>\n<td><strong>Leakage Rate<\/strong><\/td>\n<td>Zero Leakage (Bubble Tight) \u2013 ISO 5208 Rate A \/ ANSI Class VI<\/td>\n<\/tr>\n<tr>\n<td><strong>Operating Temperature<\/strong><\/td>\n<td><strong>-20\u00b0C to +200\u00b0C<\/strong>\u00a0(Viton FKM)<\/td>\n<\/tr>\n<tr>\n<td><strong>Flow Direction<\/strong><\/td>\n<td>Uni-directional (arrow marked on body)<\/td>\n<\/tr>\n<tr>\n<td><strong>Spring Type<\/strong><\/td>\n<td>Torsion springs (corrosion-resistant alloy)<\/td>\n<\/tr>\n<tr>\n<td><strong>Mounting Position<\/strong><\/td>\n<td>Horizontal or Vertical (flow upward)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h3>4. Materials of Construction<\/h3>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9 _5ac647c\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table width=\"1280\">\n<thead>\n<tr>\n<th>Component<\/th>\n<th>Specified Material<\/th>\n<th>Material Properties &amp; Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Body<\/strong><\/td>\n<td><strong>C95800 Nickel Aluminum Bronze<\/strong><\/td>\n<td><strong>ASTM B148 C95800<\/strong>\u00a0. High-strength copper alloy with excellent resistance to seawater corrosion, cavitation, and impingement. Composition: Cu bal., Al 8.5-9.5%, Ni 4-5%, Fe 3.5-4.5% . Tensile Strength: min. 585 MPa .<\/td>\n<\/tr>\n<tr>\n<td><strong>Discs (2 Plates)<\/strong><\/td>\n<td><strong>C95800 Nickel Aluminum Bronze<\/strong><\/td>\n<td>Same material as body \u2013 galvanic compatibility. Provides lightweight, rapid closing action with high strength .<\/td>\n<\/tr>\n<tr>\n<td><strong>Seat \/ O-Rings<\/strong><\/td>\n<td><strong>Viton (FKM) \u2013 Fluoroelastomer<\/strong><\/td>\n<td>Exceptional resistance to high temperatures, oils, fuels, acids, and aggressive chemicals . Maintains elasticity at high temperatures. Hardness: 70-90 Shore A (typical).<\/td>\n<\/tr>\n<tr>\n<td><strong>Shaft \/ Hinge Pin<\/strong><\/td>\n<td><strong>Monel K500 (UNS N05500)<\/strong><\/td>\n<td><strong>Precipitation-hardened nickel-copper alloy<\/strong>\u00a0. Combines the corrosion resistance of Monel 400 with higher strength and hardness. Excellent for seawater and sour service (NACE MR0175 compliant) . Yield Strength: up to 760 MPa (aged) .<\/td>\n<\/tr>\n<tr>\n<td><strong>Springs<\/strong><\/td>\n<td><strong>Inconel 625 \/ Hastelloy C276<\/strong>\u00a0(or as specified)<\/td>\n<td>High-performance alloy to withstand corrosive media and high temperatures. Provides positive disc closure.<\/td>\n<\/tr>\n<tr>\n<td><strong>Bushings<\/strong><\/td>\n<td><strong>PTFE \/ Reinforced PTFE \/ Carbon-filled PTFE<\/strong><\/td>\n<td>Low friction, prevents galling on the shaft, suitable for high temperatures.<\/td>\n<\/tr>\n<tr>\n<td><strong>Internal Fasteners<\/strong><\/td>\n<td>Monel \/ Stainless Steel 316<\/td>\n<td>To match the corrosion resistance of the assembly.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h3>5. Key Features &amp; Benefits<\/h3>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9 _5ac647c\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table width=\"1280\">\n<thead>\n<tr>\n<th>Feature<\/th>\n<th>Benefit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C95800 Nickel Aluminum Bronze Construction<\/strong><\/td>\n<td>Superior resistance to seawater corrosion, erosion, and cavitation. Ideal for marine and offshore environments. High strength-to-weight ratio .<\/td>\n<\/tr>\n<tr>\n<td><strong>Monel K500 Shaft<\/strong><\/td>\n<td>Exceptional strength and hardness combined with outstanding corrosion resistance in seawater and reducing acids. Resists galling and wear .<\/td>\n<\/tr>\n<tr>\n<td><strong>Viton (FKM) Seat\/Seals<\/strong><\/td>\n<td>Excellent chemical compatibility over a wide temperature range (-20\u00b0C to +200\u00b0C). Resists swelling and degradation from hydrocarbons and aggressive fluids .<\/td>\n<\/tr>\n<tr>\n<td><strong>Dual Plate Design<\/strong><\/td>\n<td>Lightweight, compact wafer body. Reduced pressure drop compared to swing check valves. Non-slam operation due to short disc travel and spring assistance.<\/td>\n<\/tr>\n<tr>\n<td><strong>Spring-Assisted Closure<\/strong><\/td>\n<td>Minimizes water hammer and reverse flow velocity. Springs are fully isolated from the media.<\/td>\n<\/tr>\n<tr>\n<td><strong>Replaceable Seat<\/strong><\/td>\n<td>For ease of maintenance (design dependent).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h3>6. Dimensions &amp; Weights (Reference Values \u2013 PN10\/PN16)<\/h3>\n<p class=\"ds-markdown-paragraph\">*Note: Based on EN 558 Series 52 (DIN 3202 K3) and EN 1092-2 flange standards. Dimensions are for reference only.\u00a0<strong>Request certified drawing from manufacturer for exact dimensions.<\/strong>\u00a0*<\/p>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9 _5ac647c\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table width=\"1280\">\n<thead>\n<tr>\n<th>DN (mm)<\/th>\n<th>L (Face-to-Face) mm<\/th>\n<th>D (Flange Dia.) mm \u2013 PN16<\/th>\n<th>Bolt Circle (PCD) mm \u2013 PN16<\/th>\n<th>No. Bolts \u2013 \u00d8<\/th>\n<th>Weight (approx.) kg<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>50<\/strong><\/td>\n<td>43<\/td>\n<td>165<\/td>\n<td>125<\/td>\n<td>4 \u2013 19<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td><strong>65<\/strong><\/td>\n<td>46<\/td>\n<td>185<\/td>\n<td>145<\/td>\n<td>4 \u2013 19<\/td>\n<td>3.2<\/td>\n<\/tr>\n<tr>\n<td><strong>80<\/strong><\/td>\n<td>64<\/td>\n<td>200<\/td>\n<td>160<\/td>\n<td>8 \u2013 19<\/td>\n<td>4.5<\/td>\n<\/tr>\n<tr>\n<td><strong>100<\/strong><\/td>\n<td>64<\/td>\n<td>220<\/td>\n<td>180<\/td>\n<td>8 \u2013 19<\/td>\n<td>6.0<\/td>\n<\/tr>\n<tr>\n<td><strong>125<\/strong><\/td>\n<td>70<\/td>\n<td>250<\/td>\n<td>210<\/td>\n<td>8 \u2013 19<\/td>\n<td>8.5<\/td>\n<\/tr>\n<tr>\n<td><strong>150<\/strong><\/td>\n<td>76<\/td>\n<td>285<\/td>\n<td>240<\/td>\n<td>8 \u2013 23<\/td>\n<td>11.0<\/td>\n<\/tr>\n<tr>\n<td><strong>200<\/strong><\/td>\n<td>89<\/td>\n<td>340<\/td>\n<td>295<\/td>\n<td>12 \u2013 23<\/td>\n<td>18.0<\/td>\n<\/tr>\n<tr>\n<td><strong>250<\/strong><\/td>\n<td>114<\/td>\n<td>405<\/td>\n<td>355<\/td>\n<td>12 \u2013 28<\/td>\n<td>28.0<\/td>\n<\/tr>\n<tr>\n<td><strong>300<\/strong><\/td>\n<td>114<\/td>\n<td>460<\/td>\n<td>410<\/td>\n<td>12 \u2013 28<\/td>\n<td>40.0<\/td>\n<\/tr>\n<tr>\n<td><strong>350<\/strong><\/td>\n<td>127<\/td>\n<td>520<\/td>\n<td>470<\/td>\n<td>16 \u2013 28<\/td>\n<td>58.0<\/td>\n<\/tr>\n<tr>\n<td><strong>400<\/strong><\/td>\n<td>140<\/td>\n<td>580<\/td>\n<td>525<\/td>\n<td>16 \u2013 31<\/td>\n<td>82.0<\/td>\n<\/tr>\n<tr>\n<td><strong>450<\/strong><\/td>\n<td>152<\/td>\n<td>640<\/td>\n<td>585<\/td>\n<td>20 \u2013 28<\/td>\n<td>115.0<\/td>\n<\/tr>\n<tr>\n<td><strong>500<\/strong><\/td>\n<td>152<\/td>\n<td>715<\/td>\n<td>650<\/td>\n<td>20 \u2013 31<\/td>\n<td>130.0<\/td>\n<\/tr>\n<tr>\n<td><strong>600<\/strong><\/td>\n<td>178<\/td>\n<td>840<\/td>\n<td>770<\/td>\n<td>20 \u2013 34<\/td>\n<td>190.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><em>(Note: For PN10 flanges, dimensions are similar for smaller sizes; for larger sizes &gt; DN250, bolt circles may differ. Confirm with manufacturer.)<\/em><\/p>\n<hr \/>\n<h3>7. Material Properties (Detailed)<\/h3>\n<h4>C95800 Nickel Aluminum Bronze<\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Density:<\/strong>\u00a07.64 g\/cm\u00b3<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Tensile Strength (min):<\/strong>\u00a0585 MPa<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Yield Strength (min):<\/strong>\u00a0240 MPa<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Elongation (min):<\/strong>\u00a015%<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Hardness:<\/strong>\u00a0159 \u2013 200 HB<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Corrosion Resistance:<\/strong>\u00a0Excellent in seawater, brine, dilute acids. Resistant to cavitation and impingement attack.<\/p>\n<\/li>\n<\/ul>\n<h4>Monel K500 (UNS N05500)<\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Type:<\/strong>\u00a0Age-hardenable nickel-copper alloy<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Tensile Strength (aged):<\/strong>\u00a0950 \u2013 1200 MPa<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Yield Strength (aged):<\/strong>\u00a0690 \u2013 900 MPa<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Corrosion Resistance:<\/strong>\u00a0Similar to Monel 400 \u2013 excellent in seawater, sour gas (NACE compliant), and reducing chemical environments.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Temperature Range:<\/strong>\u00a0-100\u00b0C to +260\u00b0C<\/p>\n<\/li>\n<\/ul>\n<h4>Viton (FKM)<\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Type:<\/strong>\u00a0Fluoroelastomer<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Temperature Range:<\/strong>\u00a0-20\u00b0C to +200\u00b0C<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Chemical Resistance:<\/strong>\u00a0Excellent against hydrocarbons, oils, fuels, mineral acids, salt solutions, and aliphatic solvents.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Limitations:<\/strong>\u00a0Not recommended for ketones, esters, ethers, or hot amines.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>8. Testing &amp; Inspection<\/h3>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9 _5ac647c\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table width=\"1280\">\n<thead>\n<tr>\n<th>Test<\/th>\n<th>Test Pressure (PN16)<\/th>\n<th>Acceptance Criteria<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Shell Hydrostatic Test<\/strong><\/td>\n<td>24 bar (1.5 x PN)<\/td>\n<td>No visible leakage, no structural damage<\/td>\n<\/tr>\n<tr>\n<td><strong>Seat Leakage Test<\/strong><\/td>\n<td>17.6 bar (1.1 x PN)<\/td>\n<td>Zero Leakage (Rate A \u2013 Bubble Tight)<\/td>\n<\/tr>\n<tr>\n<td><strong>Low-Pressure Air Test<\/strong><\/td>\n<td>0.6 bar (optional)<\/td>\n<td>Bubble-tight sealing<\/td>\n<\/tr>\n<tr>\n<td><strong>Material Certification<\/strong><\/td>\n<td>\u2013<\/td>\n<td>EN 10204 Type 3.1 or 3.2 (if required)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h3>9. Selection Notes<\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Material Compatibility:<\/strong>\u00a0This valve combines three premium materials:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>C95800 Body\/Discs:<\/strong>\u00a0Provides the base structure with exceptional seawater corrosion resistance .<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Monel K500 Shaft:<\/strong>\u00a0Offers high strength and hardness while matching the corrosion resistance of the body .<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Viton Seals:<\/strong>\u00a0Ensures compatibility with a wide range of chemicals and high temperatures .<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">This combination is ideal for the most demanding marine, offshore, and chemical applications.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Flow Direction:<\/strong>\u00a0Dual plate check valves are uni-directional. Ensure the valve is installed with the flow arrow matching the pipeline direction.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Installation Position:<\/strong>\u00a0Suitable for horizontal or vertical lines (flow upward). For vertical lines with downward flow, a spring-assisted or gravity-closing type is required (consult manufacturer).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Water Hammer:<\/strong>\u00a0The spring-assisted closure minimizes slamming and water hammer, but system design should still be verified for rapid flow reversals.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Gaskets:<\/strong>\u00a0No additional gaskets are required between flanges, as the valve body acts as its own gasket. Ensure flange faces are clean and parallel.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Bolt Length:<\/strong>\u00a0Use longer studs or bolts to pass through both flanges and the valve body.<\/p>\n<\/li>\n<\/ol>\n<hr \/>\n<h3>10. Ordering Information<\/h3>\n<p class=\"ds-markdown-paragraph\">To ensure correct selection, please specify:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Valve Type:<\/strong>\u00a0Wafer Dual Plate Check Valve<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Size (DN):<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Pressure Rating:<\/strong>\u00a0PN10 \/ PN16 \/ Class 150<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Body Material:<\/strong>\u00a0<strong>C95800 Nickel Aluminum Bronze<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Disc Material:<\/strong>\u00a0<strong>C95800<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Shaft Material:<\/strong>\u00a0<strong>Monel K500<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Seat \/ Seal Material:<\/strong>\u00a0<strong>Viton (FKM)<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Spring Material:<\/strong>\u00a0(e.g., Inconel 625)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Operation:<\/strong>\u00a0Automatic (spring-assisted)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Flange Standard:<\/strong>\u00a0EN 1092-2 \/ ASME B16.5<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Installation Position:<\/strong>\u00a0Horizontal \/ Vertical<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Certification Requirements:<\/strong>\u00a0(e.g., Material Certificates 3.1)<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p class=\"ds-markdown-paragraph\">This data sheet is a guideline based on standard industry practice for\u00a0<strong>Wafer Dual Plate Check Valves<\/strong>\u00a0constructed from premium materials (<strong>C95800<\/strong>,\u00a0<strong>Monel K500<\/strong>,\u00a0<strong>Viton<\/strong>). Always refer to the manufacturer\u2019s certified drawings for exact dimensions and ratings .<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bronze Wafer Check Valve is compact wafer\u2011clamped non\u2011return valve to prevent medium backflow for marine and water pipeline systems.<br \/>\nBody material: high\u2011quality bronze alloy<br \/>\nEnd connection: Wafer type (clamped between two pipeline flanges)<br \/>\nPressure rating: PN10\u2011PN16 \/ Class125\u2011150<br \/>\nExcellent anti\u2011corrosion property, fit for seawater and salt\u2011water working condition<br \/>\nUltra\u2011thin compact wafer design, save installation space<br \/>\nSimple clamped mounting, no extra flange required<br \/>\nEffective anti\u2011backflow performance to avoid reverse medium flow<br \/>\nLight\u2011weight bronze body, convenient for transportation and installation<br \/>\nTight sealing performance, lower medium leakage risk<br \/>\nDurable bronze construction, long service\u2011life under marine environment<br \/>\nOEM support for size customization<\/p>\n","protected":false},"featured_media":1861,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[30],"product_tag":[],"class_list":{"0":"post-1860","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bronze-valves","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/product\/1860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/comments?post=1860"}],"version-history":[{"count":4,"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/product\/1860\/revisions"}],"predecessor-version":[{"id":2007,"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/product\/1860\/revisions\/2007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/media\/1861"}],"wp:attachment":[{"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/media?parent=1860"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=1860"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=1860"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.valvefac.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=1860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}