China DIN Standard Bellow Seal Cast Steel Gate Valve Double Seal Ergonomic Hand Wheel Manufacturers, Suppliers, Price, For sale

Detailed Product Description

Material:	WCB, LCB, WC6, WC9, C12,CF8, CF8M, CF3,CF3M,etc	Pressure Rating:	Class 150~300
Temperature:	-196°~593°	Connection End:	BSEN 1092, ASME B16.5, ASNE B16.47,
Size:	NPS 12"~20"	Operation Method:	Manual ,Worm Gear, Electric Actuator, Pneumatic Actuator
High Light:	flanged gate valve , full bore gate valve

DIN Standard Bellow Seal Gate Valve Double Seal Ergonomic Hand Wheel

Industrial Bellow Gate Valve

Size:DN15-DN400
Pressure Range:0.6∽6.4Mpa
Working Temp.:≤80°
Material:Carbon steel,Stainless steel,Alloy steel
Medium:Steam,thermal oil,rank poison and strong corrupt gas and liquid medium.
Operation: Manual Pneumatic Electric

Applicable Standard

Design standard: DIN 3352
Face to face dimension: DIN 3202
Flanged ends: DIN 2543-2545
Test & inspection: DIN 3230

Advantages:

Bellow seal element. The key part of bellow sealed globe valves is mental bellow. It is the connection between cover and stem with automatic roll welding. The mental bellow can keep the stem part no leakage.
Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.
Grease nipple. It can direct lubricate the stem, nut and sleeve.
Ergonomic hand wheel. It provide longer service life and easier operation.

Main part materials

No.	Part name	Material
1	Body	GS-C25,1.4301,1.4401
2	Disc	GS-C25+1.4201/1.4301
3	Seat	1.4301,Stellite
4	Stem	1.4021,1.4301,1.4401
5	Bellows	1.4301,1.4401
6	Double-headed bolt	ASTM 193-B7,A193-B8
7	Nut	ASTM 194-2H,A194-8
8	Metal gasket	Asbestos+ Stainless steel
9	Nut	ASTM 194-2H,A194-8
10	Middle yoke	GS-C25,1.4301,1.4401
11	Double-headed bolt	ASTM 193-B7,A193-B8
12	Nut	ASTM 194-2H,A194-8
13	Gasket	Flexible graphite+ stainless steel
14	Cover	GS-C25,1.4301,1.4401
15	Nut	ASTM 194-2H,A194-8
16	Packing	Flexible graphite
17	Gland	GS-C25,1.4301
18	Nut	ASTM 194-2H,A194-8
19	Jack bolt	ASTM 193-B7,A193-B8
20	Stem nut	Copper alloy,D2,BL2
21	Oil cup	Assemble
22	Cap	1C45,1.4301,1.4401
23	Hand wheel	Carbon steel

Main connection size:

Material	DN	Main connection size
		150 LB
		L	D	D1	D2	b	f	n-Φd
A105	1/2″	108	90	60.5	35	10	2	4-Φ16
	3/4″	117	100	70	43	11	2	4-Φ16
	1″	127	110	79.5	51	12	2	4-Φ16
	1-1/4″	140	115	89	63.5	13	2	4-Φ16
	1-1/2″	165	125	98.5	73	15	2	4-Φ16
WCB	2″	178	150	120.5	92	16	2	4-Φ19
	2-1/2″	190	180	139.5	105	18	2	4-Φ19
	3″	203	190	152.5	127	20	2	4-Φ19
	4″	229	230	190.5	157	24	2	8-Φ19
	5″	254	255	216	186	24	2	8-Φ22
	6″	267	280	241.5	216	26	2	8-Φ22
	8″	292	345	298.5	270	29	2	8-Φ22
	10″	330	405	362	324	31	2	12-Φ25
	12″	356	485	432	381	32	2	12-Φ25
	14″	381	535	476	413	35	2	12-Φ29
	16″	406	595	540	470	37	2	16-Φ29
	18″	432	635	578	533	40	2	12-Φ32
	20″	457	700	625	584	43	2	20-Φ32
300 LB
A105	1/2″	140	95	66.5	35	15	2	4-Φ16
	3/4″	152	115	82.5	43	16	2	4-Φ19
	1″	165	125	89	51	18	2	4-Φ19
	1-1/4″	178	135	98.5	63.5	20	2	4-Φ19
	1-1/2″	190	155	114.5	73	21	2	4-Φ22
WCB	2″	216	165	127	92	23	2	8-Φ19
	2-1/2″	241	190	149	105	26	2	8-Φ22
	3″	282	210	168.5	127	29	2	8-Φ22
	4″	305	255	200	157	32	2	8-Φ22

	6″	403	320	270	216	37	2	12-Φ22
	8″	502	380	330	270	42	2	12-Φ22
	10″	568	445	387	324	48	2	16-Φ29
	12″	648	520	451	381	51	2	16-Φ32
	14″	762	585	514.5	413	54	2	20-Φ32
	16″	838	650	571.5	470	58	2	20-Φ35
	18″	914	710	628.5	533	61	2	24-Φ35
	20″	991	775	686	584	64	2	24-Φ35