Fast open Blind

Description

A quick opening blind for a circular opening of a pressure pipe or pressure vessel, and a mechanical device that can be quickly opened or closed, generally by a cylinder flange, a head cover, a hook or a clamp, a seal, and a safety Components such as interlocking mechanism, opening and closing mechanism, boom and short section (when required).

Material

Combined steel body：20#, 16 Mn, JB 4726, ASTM A694 F52

Seal material: O-type circle or U-type circle , Nitrile rubber, Fluororubber

Application

Media：Water, Gas, Oil, Non-strength corrosion chemical materials (Intensity corrosion materials should be processed with stainless steel)

Specification

DN(mm)	Interface outer diameter(mm)	Wall thickness(mm) at different pressures(Mpa)
		1.6-2.5	4.0	6.4	10	16
150	159	6	8	8	8	10
	168	6	8	8	8	10
200	219	8	8	8	10	14
250	273	8	8	8	10	16
300	323.9	8	8	10	12	18
	325	8	8	10	12	18
350	355.6	8	8	12	14	22
	377	8	8	12	14	22
400	406.4	8	10	12	16	24
	426	8	10	12	16	24
450	457	8	10	14	18	28
500	508	8	10	14	20	30
	529	8	10	14	20	30
550	559	10	12	16	20	32
600	610	10	12	16	22	36
	630	10	12	16	22	36
650	660	10	12	18	24	38
700	711	10	14	18	26	42
	720	10	14	18	26	42
750	762	12	14	20	28	-
800	813	12	16	22	30	-
	920	12	16	22	30	-
850	864	12	16	22	32	-
900	920	12	16	24	32	-
950	964	12	16	24	34	-
1000	1020	12	18	26	36	-
1050	1067	14	18	26	38	-
1100	1118	14	20	28	40	-
1150	1168	14	20	30	42	-
1200	1220	14	20	30	42	-