Gate Valve

Product Description

Standards compliance
OS&Y, Rising stem, Flexible Wedge
Bolted Bonnet, Threaded or welded seat ring
ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M,
A351 CF3, A351 CF3M, A351 CN7M

Standards compliance
Design and Manufacture: ANSIB16.34, API600 API6D, API603, BS1414
Face to face(end to end): ANSIB16.10, API6D
Flanged connection: 2" ~24" To ANSIB16.5, 22" , 26" ~36" To MSS-SP-44 to API605 on request
Test and inspection: API598, API6D
Butt welded end: ANSIB16.5

A. Anti-friction ball thrust bearing: Reduces friction between mating parts to ensure smooth operation
B. Grub screw: Secures yoke nut in the bonnet
C. Grease nipple: Supplies lubricant to the mating parts

Materials
NO.	Part name	Material
19	Grease nipple	Brass
18	Grub screw	Carbon steel
17	Hand wheel nut	Carbon steel
16	Hand wheel	Malleable lron/cast steel/ ducile lron/fabricated steel
15	Yoke nut	Carbon steel/SS
14	Eye bolt and nut	A 193 B7/A194 2H~A193 B8/A194 8
13	Pin	Carbon steel/stainless steel
12	Stem nut	A 439-D2/cu-alloy
11	Gland flange	Carbon steel/equivalent to body material
10	Gland	Stainless steel
09	Back seat	Stainless steel
08	Stem	Stainless steel
07	Seat ring	CS+SS/SS/SS+STL
06	Wedge	Material see body

NO.	Part name	WCB	LCB	WC6	WC9
05	Bolt and nut	A193 Gr B7/A194 Gr 2H	A320 Gr L7/A194 Gr 4	A193 Gr B16/A194 Gr 4/7	A193 Gr B16/A194 Gr 4/7
04	Gland Packing	Graphite	Graphite	Graphite	Graphite
03	Gasket	Spiral wound/Soft lron	Spiral wound/Soft lron	Spiral wound/SS304	Spiral wound/SS304
02	Bonnet	A216 Gr WCB	A352 Gr LCB	A271 Gr WC6	A271 Gr WC9
01	Body	A216 Gr WCB	A352 Gr LCB	A271 Gr WC6	A271 Gr WC9

NO.	Part name	C5	C12	CF8	CF8M
05	Bolt and nut	A193 Gr B16/A194 Gr 4/7	A193 Gr B16/A194 Gr 4/7	A193 B8/A194 8	A193 B8M/A194 B8
04	Gland Packing	Graphite	Graphite	Graphite	Graphite
03	Gasket	Spiral wound/Soft lron	Spiral wound/Soft lron	Spiral wound/SS304	Spiral wound/SS316
02	Bonnet	A217 Gr C5	A217 Gr C12	A351 Gr CF8	A351 Gr CF8M
01	Body	A217 Gr C5	A217 Gr C12	A351 Gr CF8	A351 Gr CF8M