China Wholesale Pn16/25/40/64/100 Globe Valve Factory – Forged steel Gate valve – C. Z. IT

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China Wholesale Pn16/25/40/64/100 Globe Valve Factory – Forged steel Gate valve – C. Z. IT Detail:

Gate valves are used to shut off the flow of liquids rather than for flow regulation. When fully open, the typical gate valve has no obstruction in the flow path, resulting in very low flow resistance.The size of the open flow path generally varies in a nonlinear manner as the gate is moved. This means that the flow rate does not change evenly with stem travel. Depending on the construction, a partially open gate can vibrate from the fluid flow.

Design Features

Outside Screw and Yoke(OS&Y)
Two Piece self aligning packing gland
Bolted bonnet with spiral-wound gasket
Integral backseat

Specifications

Basic Design: API 602, ANSI B16.34
End to End: DHV Standard
Test & Inspection: API-598
Screwed Ends (NPT) to ANSI/ASME B1.20.1
Socket weld Ends to ASME B16.11
Butt weld Ends to ASME B16.25
End Flange: ANSI B16.5

Optional Features

Cast Steel, Alloy Steel, Stainless Steel
Full Port or Regular Port
Extended Stem or Below Seal
Welded Bonnet or Pressure Seal Bonnet
Locking Device upon request
Manufacturing to NACE MR0175 upon request

Products Drawing

Application Standards

1. Design and manufacture conform to API 602,BS5352,ANSI B 16.34

2.Connection ends confrom to :

1) Socket weld dimension conform to ANSI B 16.11 ,JB/T 1751

2)Screw ends dimension conform to ANSI B 1.20.1,JB/T 7306

3)Butt-Welded conform to ANSI B16.25,JB/T12224

4)Flanged ends conformto ANSI B 16.5,JB79

3.Test and inspection conform to :

1)API 598,GB/T 13927,JB/T9092

4.Structure features:

Bolted bonnet,outside screw and yoke

Welded bonnet,outside scres and yoke

5.MAterials conform to ANSI/ASTM

6.main Materials:

A105,LF2,F5,F11,F22,304(L),316(L),F347,F321,F51,Monel,20Alloy

Carbon steel Temperature-Pressure rate

CL150-285 P.S.I@ 100°F

CL300-740 P.S.I@ 100°F

CL600-1480 P.S.I@ 100°F

CL800-1975 P.S.I@ 100°F

CL1500-3705 P.S.I@ 100°F

Main Part Materials List

NO	Part Name	A105/F6a	A105/F6a HFS	LF2/304	F11/F6AHF	F304(L)	F316(L)	F51
1	Body	A105	A105	LF2	F11	F304(L)	F316(L)	F51
2	Seat	410	410HF	304	410HF	304(L)	316(L)	F51
3	Wedge	F6a	F6a	F304	F6aHF	F304(L)	F306(L)	F51
4	Stem	410	410	304	410	304(L)	316(L)	F51
5	Gasket	304+Flexible Graphite	304+Flexible Graphite	304+Flexible Graphite	304+Flexible Graphite	304+Flexible Graphite	316+Flexible Graphite	316+Flexible Graphite
6	Bonnet	A105	A105	LF2	F11	F304(L)	F316(L)	F51
7	Bolt	B7	b7	L7	B16	B8(M)	B8(M)	B8(M)
8	Pin	410	410	410	410	304	304	304
9	Gland	410	410	304	410	304	316	F51
10	Gland eyebolt	B7	B7	L7	B16	B8M	B8M	B8M
11	Gland Flange	A105	A105	LF2	F11	F304	F304	F304
12	Hex nut	2H	2H	2H	2H	8M	8M	8M
13	Stem nut	410	410	410	410	410	410	410
14	Locking nut	35	35	35	35	35	35	35
15	Nameplate	AL	AL	AL	AL	AL	AL	AL
16	Handwheel	A197	A197	A197	A197	A197	A197	A197
17	LubricatingGasket	410	410	410	410	410	410	410
18	Packing	Graphite	Graphite	Graphite	Graphite	Graphite	Graphite	Graphite

Product detail pictures:

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150lb Gate Valve