Delivery Time:5-8 working days after received payment
Certification:CE/API/ISO/TS

Dual Disc Wafer Type Check Valve Butterfly API 594 ANSI 150LB For Water

Product Description

Double disc check valve design is generally stronger, lighter, smaller, more efficient and less expensive. Its meets API 594, which is approximately one fourth the face to face dimensions and 15% to 20% the weight,noney in initial valve coast and provides lower installation cost. The disc is litfed first by two spring to prevent.Suitable for horizontal or vertical up positions, In horizontal position flow allows plates to function free and under lower flow conditions as compared to swing check - Reduces pressure loss, improves dynamicthse and eliminates valve chatter.

Design Standard

Design and Manufacture Stand: API 594 End to End Dimension Standard: API6D Flange End Dimension Standard: ANSI B16.5 Inspection and Test Standard: API 598

Material	Carbon Steel	Body	A216 WCB
		Disc	A351 CF8
		Spring	SS304
		Pin	A182 F6
		Retainer	A182 F6
	Stainless Steel	Body	A351 CF8 CF8M CF3 CF3M
		Disc	A351 CF8 CF8M CF3 CF3M
		Spring	SS304
		Pin	A182 304 316 F51
		Retainer	A182 304 316 F51
	Alloy Steel	Body	A217 WC1 WC6 WC9 C5 C12
		Disc	A351 CF8
		Spring	A182 F304
		Pin	A182 F6
		Retainer	A182 F6
	Cast Iron	Body	GG25/GGG40
		Disc	GGG40 CF8 CF8M
		Spring	A182 F304
		Ping	A182 410 416 420 431 304 316
		Retainer	A182 410 416 420 431 304 316

Dimensions Table(mm)

NPS	inch	2	3	4	5	6	8	10	12	14	16	18	20	24	30	32	36
	mm	50	80	100	125	150	200	250	300	350	400	450	500	600	750	800	900
Class150	L	43	64	64	70	76	89	114	114	127	140	152	152	178	229	241	241
Class 300	D	107	145	162	192	218	273	328	378	438	489	540	590	690	800	905	1000

Competitive Advantages:

1. Our products is guaranteed within 18 months after delivery.
2. We offer free sample if interest before orders.
3. Technology renovation, process improvement, structure optimization and quality improvement.
4. Excellent after-sales service system, providing timely and optimal service, which help you to win the market.
5. Convenient shipping sea port, and standard exporting carton boxes & plywood cases.
6. 100% inspection & testing before delivery.
7. Third party inspection on customer requirement.