Stainless Steel Butterfly Flanged Back Pressure Valve

• Media: Water
• Temperature: Ordinary Temperature
• Material: Ductile Iron|Cast Iron|Stainless Steel
• Connection Form: Clamp
• Structure: Butterfly
• Pressure: Low Pressure
• Model NO.: FSV-017
• Function: Automatic Opening and Closing
• Sealing Form: Hard Seal
• Flow Direction: Unidirection
• Standard: API 594
• Application: Industrial Usage, Water Industrial Usage, Household Usage, Fishing
• Body: Ductile Iron|Cast Iron|Stainless Steel
• Disc: Ductile Iron|Stainless Steel304
• Stem: Stainless Steel304
• Spring: Stainless Steel304
• Bush: PTFE
• Seat: EPDM/NBR
• Transport Package: Wooden Case
• Specification: DN50-DN600
• Trademark: WALTER, OEM
• Origin: Suzhou
• HS Code: 8481300000
• Production Capacity: 5000 Per Month

Product Description

Double Plate Wafer Check Valve 

Product Standard:

Design : API 594,

Flanges: BS EN1092-2

Face to Face: EN 558-1

Test : BS EN12266 ,API 598

Main Features:
1 Simple structure and affordable, Small and easy to install 

2 Horizontal or Vertical Installation
3 Quick shut off speed
4 FBE coating inside and outside Min 250μ

Technical Specification:

Size: DN50~DN600 (2'' ~ 24'')

Pressure: PN10/16

Work Temperature: -5°C ~ 85°C

Seat Test: 1.1 x PN

Shell Test: 1.5 x PN

Medium: Clean Water,Sewage

Material list:

Item	Part	Material
1	Body	Ductile Iron|Cast Iron|Stainless Steel
2	Disc	Ductile Iron|Stainless Steel304
3	Stem	SS420/304
4	Spring	SS420/304
5	Bush	PTFE
6	Seat	EPDM/NBR

 

Code No.	Size	DN	L	D	a	b	r	Wet(kg)
DDCV-0050	2"	50	43	107	43	8	29	1.5
DDCV-0065	21/2"	65	46	127	60	13	36	2.4
DDCV-0080	3"	80	64	142	66	14	43	3.6
DDCV-0100	4"	100	64	162	93	24	53	5.3
DDCV-0125	5"	125	70	192	117	33	66	7.3
DDCV-0150	6"	150	76	218	145	43	79	9.2
DDCV-0200	8"	200	89	273	198	68	104	16
DDCV-0250	10"	250	114	328	234	72	127	26
DDCV-0300	12"	300	114	382	284	100	148	40.7
DDCV-0350	14"	350	127	442	333	121	173	55
DDCV-0400	16"	400	140	495	381	137	198	75
DDCV-0450	18"	450	152	555	420	148	218	118
DDCV-0500	20"	500	152	617	475	180	245	173
DDCV-0600	24"	600	178	734	585	220	302	200

 

 

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