Active Member
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[China]
Contact name:Jerry Li
Wenzhou Goldtop Valve Co.LTD |
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Ranges of Materials:
Standard body, cover materials include nine grades of carbon, low
alloy and stainless steels, and for special applications, they can
be supplied in other grades of alloy and stainless steel. There's a
full range of trim materials to match any service, and optional
packing and gasket materials are available for a full range of
service conditions.
Available Modifications for UNIQUE Cast Steel Valves
| Trim changes. End connection modifications. Packing and gasket changes. Operator mounting. Handwheel extensions. | Pressure equalizing. Customer specified coatings. Weld end bore changes. Oxygen, chlorine cleaning, packaging. |
| A)Eyebolt For 150 LB-8 Inch, 300 LB-8 Inch, 600 LB-6 Inch, 900 LB, 1500 LB, 2500 LB-4 Inch & over. | B)BC Bolted cover, welded cover and pressure seal bonnet in services requiring frequent cycling or with high pressure, temperature variations. |
| C)End Connections A choice of flanged, RTJ flanged or butt-welded end for piping flexibility. | D)Body-to-Cover Joint A male and female joint or tongue and groove joint is used 150 LB to 600 LB valves. Ring joint is used in the body to cover connection in 900 LB & higher rated valve. |
| E)Outside Lever And Weight All external hinge pin swing check valves 12 Inch and smaller are available with an optional outside lever and weight, internal hinge available with all swing check valves. | F)Seat Rings Separate heavy duty, full ported rings for easy maintenance. Screwed or welded connection into body. |
| G)HCU weighted mechanical accumulator This design can be used to either dampen or assist closing of the check valve disc depending on orientation. by using the hydraulic control unit to buffer action the disc, the valve opens at lower flow rates. |
Applicable Standards:
●STEEL CHECK VALVES, API 6D.
●STEEL CHECK VALVES, ISO 14313.
●STEEL VALVES, ASME B16.34.
●FACE TO FACE, ASME B16.10.
●END FLANGES, ASME B16.5.
●BUTTWELDING ENDS, ASME B16.25.
●INSPECTION AND TEST, API 598, API 6D.
Design descriptions:
●BC, BOLTED COVER.
●SWING TYPE, ANTI-ROTATION DISC.
●RENEWABLE SEAT RINGS.
●NON-PENETRATE DISC SHAFT.
●HORIZONTAL OR VERTICAL SERVICE.
●FLANGED OR BUTTWELDING ENDS.
| Brand | GOLDTOP VALVE |
| Valve Type | Swing Check Valve |
| Material | Carbon Steel, Stainless Steel |
| Pressure Classes | 150, 300, 600, 900, 1500, 5000 . |
| Sizes | 1, 2, 3, 4, 6, 8, 10, 12, 16 inches |
| Connections | Flanged Ends (RF, RTJ) |
