brief description of check valve 1.best qulity 2.on time delivery 3.small orders are also acceptable

description of check valve

Introduction :

Check valves can be convenient to maitain and repair the pipeline and valves.What's more ,they can be soundproof.The valves are extensively used in the pipelines of drainage,fire prevention,air conditioning,gas petroleum,chemical industry,sewage treatment,and fluid control.

SpecificationFace to face according to the standard DIN3202-K3;GB12221-16;Flange drilling according to ANSI125/150;ApplicationValve is used for preventing the back-going of medium in pipelines and equipments,and the pressure ofmedium will bring the result of opening and closing automatic ally.When the medium is back-going,valve disc will automatic ally closed to avoid accidents.

Parts of the main data:

DN		H1				H2				L	Φ					n-d (TH)
mm	in	0.6Mpa	1.0 Mpa	1.6 Mpa	2.5 Mpa	0.6Mpa	1.0 Mpa	1.6 Mpa	2.5 Mpa			0.6Mpa	1.0 Mpa	1.6 Mpa	2.5 Mpa	0.6Mpa	1.0 Mpa	1.6 Mpa	2.5 Mpa
100	4	105	110	110	117.5	281	286	268	294	190		170	180	180	190	4-18(M16)	8-19(M16)	8-19(M16)	8-23(M16)
125	5	120	125	125	135	301	306	306	316	200		200	210	210	220	8-18 (M16)	8-19(M16)	8-19(M16)	8-28(M16)
150	6	132.5	142.5	142.5	150	306	316	316	324	210		225	240	240	250	8-18 (M16)	8-23(M20)	8-23(M20)	8-28(24)
200	8	160	170	170	180	324	334	334	344	230		280	295	295	310	8-18 (M16)	8-23(M20)	12-23(M20)	12-28(M24)
250	10	187.5	197.5	202.5	212.5	375	385	390	405	250		335	350	355	370	12-18 (M16)	12-23(M20)	12-28(M24)	12-31(M27)
300	12	220	222.5	230	242.5	410.5	410.5	420	432	270		395	400	410	430	12-22 (M20)	12-23(M20)	12-28(M24)	16-31(M27)

Wafer Butterfly check valve