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大发3期必中计划

Summary

A compact but extremely sturdy design for high pressure-temperature service.
Stainless steel A182 F316(L) wedge ensures low friction and long service life.
For Class 1500 valves and for steam service.
Packing rings are precompressed to provide a high integrity seal.
For welded bonnet valves, the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded, offering double protection against leakage. (Body / bonnet threads and strength-weld).

Parameters

ASME Pressure Classes: 150, 300, 600, 800, 900, 1500, 2500 Lb
Sizes: 3/8, 1/2, 3/4, 1-1/4, 1-1/2, 2" ( DN 10, 15, 20, 25, 32, 40, 50 mm )
Ends: Welded, threaded and flanged.
Materials: Stainless steel, alloy steel, carbon steel.

Materials

No.	Part	Material
1	Body	A105,A182 F22, A182 F304(L),A182 F316(L)
2	Bonnet	A105,A182 F22,A182 F304(L),A182 F316(L)
3	Handwheel	A194 2H,A194 4,A194 8,A194 8M
4	Gland Flange	Forged steel
5	Eyebolt Screws	A276 420,A276 304
6	Stem	A182 F6,A182 F304,A182 F304(L),A182 F316(L)
7	Seats	A276 420,A276 304,A276 304(L),A276 316(L)
8	Wedge	A276 430&410,A182 F304,A182 F304(L),A182 F316(L)
9	Packing	A105,A182 F11,A182 F304(L),A182 F316(L)
10	Yoke Nut	A276 420
11	Eyebolts	A193 B7,A193 B16,A193 B8,A193 B8M
12	Eyebolt Nuts	A194 2H,A194 4,A194 8,A194 8M
13	Cap Screws	A193 B7,A193 B16,A193 B8, A193 B8M
14	Gasket	304 SS Spiral Wound graphite, 316 SS Spiral Wound PTFE
15	Packing Gland	Stainless Steel etc.
16	Lock Nut Washer	Carbon Steel
17	Handwheel Nut	A194 2H,A194 4,A194 8,A194 8M
18	Gland	A276 410,A182 F304(L),A182 F316(L)
19	Bearing Gasket	A473 431
20	Name Plate	Stainless Steel

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Catalog:大发3期必中计划Forged Steel Gate, Globe, Check Valves