As a quality-focused firm, we at Unifit Metalloys are focused towards providing to our clients’ admirable quality variety of Header Plug / Shoulder Plugs as per national and international quality standards in different grades like stainless steel, carbon steel, alloys steel, nickel alloys, brass, copper, etc. Shoulder plugs or header plugs are made for plug type header boxes in air-cooled heat exchangers/ fin fan air coolers. Our stainless steel header plugs offer features like lightweight, precise design, longer life, etc. Our brass shoulder plugs are forged, heat treated and machined as per customer requirements. Our Nickel Alloy Header Plugs have been extensively used a variety of industrial segments including construction, infrastructure, manufacturing, and engineering.
Our Titanium Shoulder Plugs are widely acclaimed for their sturdy designs, longer lifespan and rust resistance. Carbon Steel A105 Shoulder Plugs are utilised in upstream offshore/onshore oil production and initial processing installations. They are also available in various Alloy Steel. All our header plugs/shoulder plugs are manufactured using high quality raw and latest technology by skilled workers to ensure zero defects. We also provide third party inspection for our plugs. Our customers can get Header Plug / Shoulder Plugs in a range of provisions at affordable costs in an array of dimensional specifications such as shape, size, and design.Enquiry Now
Dimensions : ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799.
Size : 1/4" NB TO 4" NB
Class : 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Form : Header Plugs / Shoulder Plugs
Type : Screwed-Threaded NPT, BSP, BSPT Fittings.
In bridges and other structural steel works
Pylons and other architectural structures
Spiral Cases and penstocks in power plants
Stainless Steel Header Plugs/Shoulder Plugs : ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L.
Carbon Steel Header Plugs/Shoulder Plugs : ASTM/ ASME A 105, ASTM/ ASME A 350 LF 2, ASTM / ASME A 53 GR. A & B, ASTM A 106 GR. A, B & C. API 5L GR. B, API 5L X 42, X 46, X 52, X 60, X 65 & X 70. ASTM / ASME A 691 GR A, B & C.
Alloy Steel Header Plugs/Shoulder Plugs : ASTM / ASME A 182, ASTM / ASME A 335, ASTM / ASME A 234 GR P 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91, ASTM / ASME A 691 GR 1 CR, 1 1/4 CR, 2 1/4 CR, 5 CR, 9CR, 91.
Copper Nickel Header Plugs/Shoulder Plugs : ASTM / ASME SB 111 UNS NO. C 10100 , C 10200 , C 10300 , C 10800 , C 12000, C 12200, C 70600 C 71500, ASTM / ASME SB 466 UNS NO. C 70600 ( CU -NI- 90/10) , C 71500 ( CU -NI- 70/30).
Duplex & Super Duplex Steel Header Plugs/Shoulder Plugs : ASTM A 182 – F 51, F53, F55 S 31803, S 32205, S 32550, S 32750, S 32760, S 32950.
Nickel Alloy Header Plugs/Shoulder Plugs : ASTM / ASME SB 564 UNS 2200 (NICKEL 200) , UNS 2201 (NICKEL 201 ) , UNS 4400 (MONEL 400 ) , UNS 8020 ( ALLOY 20 / 20 CB 3 ) , UNS 8825 INCONEL (825) , UNS 6600 (INCONEL 600 ) , UNS 6601 (INCONEL 601) , UNS 6625 (INCONEL 625) , UNS 10276 (HASTELLOY C 276).
|Header Plug / Shoulder Plug Sizing Chart|
|1"||1 1/8"||12||3/4"||1 3/8"||SP-G-1125*(-M)||SP-G-EZ-1125*(-M)|
|1 1/4"||1 3/8"||12||3/4"||1 5/8"||SP-G-1375*(-M)||SP-G-EZ-1375*(-M)|
|1 1/2"||1 5/8"||12||1"||1 7/8"||SP-G-1625*(-M)||SP-G-EZ-1625*(-M)|
|2"||2 1/8"||12||1 1/4"||2 3/8"||SP-G-2125*(-M)||SP-G-EZ-2125*(-M)|
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