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CLASSIFICATION
Cast and forged steel valves for oil and gas systems

butterfly valve

1. Multi layer sealing& Metal to metal sealing 2. Bidirectional& Unidirectional 3. Low opening torque 4 There is no friction between the valve seat and the seal The valve disc doesn't work

Category:

butterfly valve

Consultation Hotline:

0086-512-6270-1855

technical manual

Product Message

Product characteristics

1. Multi layer sealing& Metal to metal sealing

2. Bi directional& one-way

3. Low opening torque

4. There is no friction between the valve seat and the seal

5. The valve disc is not functioning properly

technical specifications

Product parameters

Bill of Material

NO.	part	Standard materials	low-temperature environment	Stainless steel	acidic environment
1	valve body	ASTM A216WCB	ASTM A352 LCB	ASTM A351 CF8M	ASTM A216 WCB
2	valve stem	ASTM A182 F6a	ASTM A182 F316	ASTM A182 F316	ASTM A182 F6a NC
3	Sealing gasket	graphite	graphite	graphite	graphite
4	Lower bearing sleeve	Self lubricating bearing	Self lubricating bearing	Self lubricating bearing	Self lubricating bearing
5	Lower cover	ASTM A105N	ASTM A350 LF2	ASTM A182 F316	ASTM A105N
6	notch board	ASTM A216WCB	ASTM A352 LCB	ASTM A351 CF8M	ASTM A216 WCB
7	sealing ring	SS316+graphite	SS316+graphite	SS316+graphite	SS316+graphite
8	Flip cover	ASTM A182 F316	ASTM A182 F316	ASTM A182 F316	ASTM A182 F316
9	bolt	ASTM A193 B7	ASTM A320 L7	ASTM A193 B8	ASTM A193 B7M
10	bolt	ASTM A193 B7	ASTM A320 L7	ASTM A193 B8	ASTM A193 B7M
11	pin	ASTM A182 F6a	ASTM A182 F316	ASTM A182 F316	ASTM A182 F6a NC
12	Upper bearing sleeve	Self lubricating bearing	Self lubricating bearing	Self lubricating bearing	Self lubricating bearing
13	filler	graphite	graphite	graphite	graphite
14	Filler gland	ASTM A216WCB	ASTM A352LCB	ASTM A351CF8M	ASTM A216WCB
15	nut	ASTM A1942 H	ASTM A194 7	ASTM A194 8	ASTM A194 2HM
16	Spring washer	AlSI 1566	AISI 1566	stainless steel	AISI 1566
17	Stud	ASTM A193 B7	ASTM A320 L7	ASTM A193 B8	ASTM A193 B7M
18	support	AISI 1020	AISI 1020	stainless steel	AlSI 1020
19	nut	ASTM A194 2H	ASTM A194 7	ASTM A194 8	ASTM A194 2HM
20	Spring washer	AISI 1566	AlSI 1566	stainless steel	AlSI 1566
21	Stud	ASTM A193 B7	ASTM A320 L7	ASTM A193 B8	ASTM A193 B7M
22	worm gear	module	module	module	module

Nominal size	2" ~48" (DN50~DN1200)
nominal pressure	ASME 150LB to 900LB
Temperature	-46℃~300℃
body material	WCB, CF8, CF8M, CF3, CF3M, LCB, Titanium, Monel alloy, Hastelloy alloy, etc
Design standards	API 609,EN 593,ASME B16.34
face-to-face	APl 609, ISO 5752, EN 558
Flange end	ASME B16.5, ASME B16.47, EN 1092
Inspection and Testing	API 598, EN 12266, ISO 5208
mark	MSS SP-25