Wenzhou Goldtop Valve Co.LTD
Wenzhou Goldtop Valve Co.LTD

Gold top valve  located in Oubei Town, Wenzhou, China,where can make all kinds of precision balls,including top entry,metal seat and V type balls.On this base,our products range of floating,trunnion,Gate globe check valve ,butterfly valve ,etc.Surely we can design them by customer's special requirements.

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DN50 Pressure Sealing Butt Welded Valve Casting Asme B16.10

DN50 Pressure Sealing Butt Welded Valve Casting Asme B16.10

  • DN50 Pressure Sealing Butt Welded Valve Casting Asme B16.10
  • DN50 Pressure Sealing Butt Welded Valve Casting Asme B16.10
DN50 Pressure Sealing Butt Welded Valve Casting Asme B16.10
Product Details:
Place of Origin: CHINA
Brand Name: GTV
Certification: API6D
Model Number: J41
Payment & Shipping Terms:
Minimum Order Quantity: 1PCS
Price: 1~10000USD
Packaging Details: WOODEN BOX
Delivery Time: 20DAYS
Payment Terms: L/C, T/T
Supply Ability: 1+PCS+1WEEKS
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Detailed Product Description
Material: Casting, WCB, CF8, Stainless Steel, Carbon Steel Temperature Of Media: Medium Temperature, High Temperature, Normal Temperature, -4℃~+225℃, -40~+550℃(stainless Steel)
Port Size: Standard, 12" RF, DN50-600, 1/2" - 24", 1-1/2"~48" Application: General, Water, Oil, Steam Or Oil Transportation, Acid
Body Material: WCB, Carbon Steel, Forged Steel, WCB/WC6/WC9/CF8M/CF8, Stainless Steel
High Light:

Pressure Sealing Butt Welded Valve


Asme B16.10 Butt Welded Valve


DN50 Butt Welded Valve


Pressure Sealing Butt Welded Swing Check Valve


Swing check valve is mounted at the outlet side of the pump to stop backflow, start pump under-loading, eliminate pressure surge etc. It works to protect pump station, equipment and pipeline in the system.

This model is popularly used in industry of metal refining, petrochemical, oil, city construction, environment protection, water conservancy project.


Product features
1, Smooth running without vibration and noise.
2, The valve is tightly sealed without leakage under the pressure water test.
3, Outstanding open and close capacity. Opening pressure≤0.08Mpa; Quick open and adjustable close speed. Closing movement includes two steps, first rapid closing step, and second slow closing step. The second slow closing speed is adjustable according to the specific condition.

WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.


Design to API 6D
Face to face per ANSI B 16.10

BW ends dimension ANSI B 16.25

Flange ends dimension ANSI B 16.5/ANSI B 16.47

Final inspection tests to API598.

Wall thickness dimension:API 600

Metal seal or rubber seal.

DN50-DN1500, class150-2500




Valve description:
Name: Pressure Seal Bonnet (PSB) Swing Check Valve.
Design: ASME B16.34.
Body: ASTM A217 WC9.
Nominal size: 16 Inch.
Nominal class: Class 2500.
Connection ends: butt welded ends.
Face to face: as per ASME B16.10-short length.
Test and inspection: API 598.

Technical parameters and characteristics

Product Pressure Seal Bonnet Swing Check Valve
Nominal diameter NPS 2” ~ 30” DN50 ~ DN750
Design temp. -196℃ ~ 593℃
Design pressure class 900 ~ 2500 PN 160 ~ PN420
Material A216 WCB, WCC, A217 WC6, WC9, C5, C12A, A352 LCB, LCC,
A890 4A(CD3MN), 5A(CE3MN), 6A(CD3MWCuN),
ASTM B 148 C95800, C95500
Design standard ASME B16.34 DIN 3352
Face to Face ASME B16.10 EN558 series
Connection end RFF, RTJ, BW EN1092 series
Test standard API 598, ISO 5208 EN12266-1
Operation NO
Application electric power, petroleum refining, petrochemical engineering,
offshore oil, chemical engineering
Function 1 Pressure Seal Bonnet
The bonnet gasket to be metal sealing, RTJ ring - SS 304 for a long service
Function 2 Design as per ASME B16.34
Function 3 Inside of shaft/ outside of shaft
Function 4 Outside of shaft: could be mounted lever + counterweight + damper
Function 5 Large size of check valve could be mounted hydraulic damping cylinder

Contact Details
Wenzhou Goldtop Valve Co.LTD

Contact Person: sales

Tel: +8613758447235

Send your inquiry directly to us
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