Welded Bonnet Forged Steel Gate Valve Integral Flange Inconel 625 Monel 400

Product Details:

Place of Origin:	中国
Brand Name:	GOLD TOP
Certification:	API602

Payment & Shipping Terms:

Minimum Order Quantity:	1pcs
Price:	Negotiation
Packaging Details:	Plywood Case
Delivery Time:	30days
Supply Ability:	100+pcs+30 days

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Detailed Product Description

Size:	NPS 1/4”～2”(DN8～DN50)	Class:	50～2500 (PN 20～PN420)
Design:	API602	Materials:	Carbon / Stainless / Alloy / Duplex
Test:	API 598	End Connection:	SW / NPT / Flanged
High Light:	forged steel gate valve , hand wheel valve

Welded Bonnet Forged Steel Gate Valve Integral Flange Inconel 625 Monel 400

Forged steel gate valve

We provides forged steel API 602 gate valves in sizes 4″ and smaller for natural gas and petroleum industries, as well as power plant services.

Pressure designation: includes Class 150, Class 300, Class 600, Class 800, Class 900 and Class 1500. Size range: 1/4″(DN 8) ~ 4″(DN 100).

Design Standards: API 602, ISO 15761, BS5351;

End Connections: Butt Welding(BW)-ASME B16.25, Socket Welding(SW)-ASME B16.11, Threaded-ASME B1.20.1;

Hydraulic and Air Test: API 598;

Pressure & Ratings: ASME B16.34.

Design Features: bolted bonnet, welded bonnet, pressure sealed bonnet; fully guided one-piece solid wedge to reduce wear on seating surfaces; effective back seating design and packing mechanism to ensure a tight stem seal; outside screw and yoke(OS&Y) with rising stem; Tee-head stem design to prevent the stem from becoming disengaged from the wedge while the valve is in service. Half grooved/ recessed body-bonnet joint design to accommodate spiral wound stainless steel gasket for a tight body-bonnet sealing. Hard faced surfaces of both seating rings and the wedge to provide excellent wear resistance.

Featured Patterns of API 602 Forged Steel Gate Valves

Bolted Bonnet
Welded Bonnet
Pressure Sealed
Integral Flanged

The bolted bonnet API 600 gate valve, OS&Y, product photo & G.A drawing. End connection: SW, BW, or Thraded.

Material Selection

Trim Material Selection
Valve Parts Other Than Trims

Trim Number	Gate Surfaces	Seat Surfaces	Stem Material
1	13Cr	13Cr	ASTM A182 F6a
2	18Cr-8Ni	18Cr-8Ni	ASTM A182 F304
3	25Cr-20Ni	25Cr-20Ni	F310
5	HF(Co-Cr A)	HF(Co-Cr A)	ASTM A182 F6a
8	13Cr	HF(Co-Cr A)	ASTM A182 F6a
9	Monel	Monel	Monel
10	18Cr-8Ni-Mo	18Cr-8Ni-Mo	ASTM A182 F316
12	18Cr-8Ni-Mo	HF(Co-Cr A)	ASTM A182 F316
13	Alloy 20	Alloy 20	Alloy 20
15	HF(Co-Cr A)	HF(Co-Cr A)	ASTM A182 F304
16	HF(Co-Cr A)	HF(Co-Cr A)	ASTM A182 F316

According to API 602, trim items include the stem, wedge/ gate seating surfaces, seating surfaces of body or seat ring. Trim No.1 and No.2 now are obsolete.

Item No.	Part Name	Materials
1	Handwheel	Ductile Iron
2	Name Plate	Stainless Steel
3	Handwheel Nut	ASTM A194 2H; ASTM A194 8
4	Stem Nut	ASTM A276 420
5	Gland Bolt	ASTM A193 B8
6	Gland Nut	ASTM A194 8
7	Gland Flange	ASTM A216 WCB; ASTM A352 LCB; ASTM A351 CF8
8	Gland	SS304, SS316
9	Packing	Graphite
10	Bonnet Bolt	ASTM A193 B7, B7M, B8, B16; ASTM A320 L7M
11	Bonnet Nut	ASTM A194 2H, 7M, 8, 16
12	Bonnet Gasket	SS304+Graphite; SS316+Graphite
13	Seat Ring	ASTM A276 410; ASTM A182 F304/ F316
14	Gate	ASTM A182 F6a/ F304/ F316
15	Body	ASTM A105, ASTM A350 LF2, ASTM A182 F5/ F11/ F22/ F91, F304(L)/ F316(L