Spectacle Blind, Figure 8 Blind B16.48 A516 Gr. 70 Gr. 65

• Standard: ANSI, DIN, GB, JIS, GOST
• Type: Welding Flange
• Material: Carbon Steel
• Structure: Flanges
• Connection: Screws
• Sealing Surface: FF
• Model NO.: KM-FLANGE
• Manufacturing Way: Forging
• Transport Package: in Wooden Case or on Pallet
• Specification: 1/2"-76"
• Trademark: kingmetal
• Origin: China
• Production Capacity: 50000 Ton/Year

Product Description

Application:
Spectacle Blinds are a single piece of machined metal designed to eliminate the hassle of having seperate paddle blind and spacer sets. It's used to safely isolate a section of the line during maintenance, or when equipment needs shut down


These Flanges are available in the following range:
· Stainless Steel: ASTM a182 F304, F304L, F304H, F316, F316L, F316Ti, F310, F310S, F321, F321H, F317, F347, F347H, F904L.
· Duplex Stainless Steel: UNS S31803, UNS S32750
· Carbon Steel: ASTM a105, A516 GR.65, GR.70
· Alloy Steel: ASTM a182 F1, F11, F22, F5, F9, F91
· Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incoloy 800, 825, Hastelloy C22, C276
· Copper Alloys: Copper, Brass & Gunmetal
· Size: 1/8″ NB TO 76″NB.
· Class: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#


pressure 150#

NPS	Outside Ø A	Inside Ø B	Center Line C	THK t	Web Width W
1/2	45	16	60	3	38
3/4	54	21	70	3	38
1	64	27	80	3	38
1¼	73	42	90	6.4	38
1½	83	48	100	6.4	38
2	102	61	120	6.4	51
2½	107	73	140	6.4	51
3	133	89	150	6.4	64
3½	159	102	175	9.7	64
4	172	114	190	9.7	64
5	194	141	215	9.7	76
6	219	168	240	12.7	76
8	276	219	300	12.7	76
10	337	273	360	15.7	102
12	406	324	430	19.1	102
14	448	356	475	19.1	108
16	511	406	460	22.4	108
18	546	457	580	25.4	114
20	603	508	635	28.4	121
24	714	610	750	31.8	140
NPS	Outside Ø A	Inside Ø B	Center Line C	THK t	Web Width W