API 602 Forged Steel RF Flange Spring Lift Piston Check Valve

• Media: Water, Gas, Oil
• Temperature: -29~425 °c
• Material: A105, Lf2, F11, F22, F304, F316, F304L, F316L;F51, F60
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: H41H Spring Lift Piston Check Valve
• Connection Form: RF, Rtj, Bw, Sw, NPT, Bspb
• Structure: Swing
• Pressure: 150lb~2500lb;Pn16~Pn42
• Function: Nrvr Silence, Prevent Media From Flowing Back.
• Sealing Form: Gland Packings Globe Valve
• Flow Direction: Reversing
• Standard: API 602, BS5352, Amse 16.34
• Application: Industrial Usage, Water Industrial Usage
• Stem Structure: Outside Screw and Yoke (OS&Y)
• Sealing Material: 13cr, SS304, SS316, Stl, Monel, Bronze, etc
• Seat: Replaceable Seat
• Valve Bonnet: Bolted Bonnet, Welded Bonnet, Psb
• Pre-Temp. Rating: API 602
• Special: Nace Mr-0175
• Valve Test Standard: API 598
• Company Certificate: API6d/CE/ISO9001/ISO14001
• Valve Test: 100% Quantity Tested Before Delivery
• Test Certificate: En1024 3.1 Certificate, Provide Rt, Mt, PT, Ut
• Our Parterner: Pdvsa, Bp, Sinopec Group, Hitachi etc
• Supplier: Factory Direct
• Valve Guarantee: 18 Months
• Transport Package: Plywood Wooden Case
• Specification: 100X100X10
• Trademark: SHF
• Origin: Jingshu, China
• HS Code: 8481300000
• Production Capacity: 50000000
• Package Size: 26.00cm * 17.00cm * 16.00cm
• Package Gross Weight: 11.500kg

Product Description

Construction is as follows 

Name	Forge Check Valve
Size	1/2"~2-1/2"; DN15~DN65
Normal pressure	150LB~2500LB;PN16~PN42
Design standard	API 602, BS5352,AMSE 16.34
Marked	MSS SP-25
SW dimension	ANSI B16.11;JIS B2306;JB/T 1751
BW dimension	ASME B16.25; DIN 3239,EN12627; JB/T12224
Screwed dimension	ANSI B1.20.1; BS21;JIS BO20;JB/T 73.6
End flange	ANSI B 16.5,EN1092,DIN2543~DIN2547
Face to Face	ANSI B 16.10, DIN3202,EN558-1,EN12982,ISO 5752
Test standard	API598,DIN3230, EN12266,ISO 5208
Suitable temperature	-29~425°C
Medium	Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.
Acidic environment	NACE MR0175

Structure

- Reduce Port or Full Port

- Bolted Bonnet / Pressure Sealed Bonnet / Welded Bonnet

- Integral seat Seat

- Design:API 602,BS5352,DIN,JIS,ANSI,BS,GB

- RF, RTJ, BW, SW, NPT, S.WxNPT, B.WxNPT, BSPB

- Forged Carbon Steel, Stainless Steel, Duplex Steel

Main Part & Materials

Part Names	Part Materials
Body	A105	LF2	F11/F22		F304	F316	F304L	F316L	F51/F53
Cover	A105	LF2	F11/F22		F304	F316	F304L	F316L	F51/F53
Disc	F6a	F304	F6a		F304	F316	F304L	F316L	F51/F53
Seat/Seat Ring	F6a+STL	SS304	SS304+STL		SS304	SS316	SS304L	SS316L	F51/F53
Bonnet Gasket	SS304+Graphite/SS316+Graphite
Bolts/Nuts	B7/2H	L7/4	B16/4	B8/8		B8M/8M	B8/8	B8M/8M	B8M/8M
Suitable Medium	W.O.G etc.			HNO3, CH3OOH etc.					Urea etc.
Suitable Temperature	-29~425 °C	-46~340 °C	-29~538 °C	-196~427 °C		-196~427 °C	-196~427 °C	-196~427 °C	-29~315 °C

Detail size

Product display


Company  Introduction

FAQ
Q:Why choose us ?
A: we are a manufacturer, we have manufactured valve for over 20 years .
B. We have our own casting foundary in a large scale

Q. what is your payment term? 
 A: T/T , L/C or other acceptable payment.
 
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
 
 Q: what is your main market?
A: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
 
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
 
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
 
Q:How about your capacity?
A:We have 300staffs,own 50 CNC machines,and five persons  in charge of quality inspection and 5 engineers. Our 6 casting block workshops
can both ensure on time delivery and quality that last.