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Swivel Union


We manufacture, supply and export Swivel Union Fittings which are very useful in various types of connecting functions in the big industries. Our Swivel Unionfittings are of four types to be used in many different works in the varied industries.

We provide proof of quality assurance EN 10204/3.1B, third-party inspecting reports, and certificates of raw materials to our respected clients. However, we ensure that the information is given, such as a quality assurance plan, heat treatment maps, fumigation certificates and material traceability records. Documents such as the guarantee letter, drug tests certificates, laboratory test results approved by NABL are also available. Finally, the high-quality packaging content is adequately covered before distribution of the product to consumers. These products have a high level of protection and safety against rust and scratches during product transport. Then the items are packed into wooden cases . The product is shipped on schedule. We also have broad distribution channels which ensure that the product is delivered accurately.

  • Available In Thread Sizes From ⅛" to 2½"
  • Rated To 10,000 P.S.I. • Heat Treated • Superior Quality Alloy Steel
  • Chrome Or Stainless Steel Ball Bearings
  • Withstands Heavy Side Loads
  • Burnished (Micro Smooth) Barrel Bores
  • Viton®, Aflas®, Or Viton Extreme® Seals
  • Available in 304 & 440 Stainless Steel (pipe thread only)
  • Viton®, Aflas®, Or Viton Extreme® Seals


Technical Specification

36.07Bodies Glands and Nuts -316 stainless steel
Automatic Tube Weld Fittings -316 L stainless steel
O-RING -70 durometer fluorocarbon (Viton) is standard on ZCO bodies. 90 durometer fluorocarbon is used with SAE/MS threads. Other materials are available upon request with temperature range belows are:

MaterialTemperature RatingDesignator
Fluorocarbon400ºF (200ºC) 
Buna N250ºF (120ºC)BU
PTFE460ºF (230ºC)PE
Perfluoroelastomer550ºF (280ºC)KA
Ethylene-propylene300ºF (140ºC)EP
0.180
1.4204.5710200
7001/4Install ZCO body to existing port, tubing or equipment. Assemble ZCO body with ZCO female nut and gland and tighten nut 1/8 turn with a wrench after finger tight to make sure metal to metal contact.
When ZCO body or gland needs soldering, welding or brazing procedures, the O-ring should be removed to prevent possible damage.
11/16

Material of Construction

Monel :
Grade: Monel 400, Monel K500, Monel R-405
Nickel :
Grade: Nickel 200, Nickel 201
Inconel :
Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718
Incoloy :
Grade: Incoloy 800, Inconel 800H, 800HT
Hastalloy :
Grade: Hastalloy B2, Hastalloy B3, Hastalloy C22, Hastalloy C276, Hastalloy X
Titanium :
Grade: Gr1, Gr2, Gr3, Gr5, Gr7, Gr11
Stainless Steel :
Grade: ASME / ASTM SA / A403 SA / A 774 WP-S, WP-W, WP-WX, 304, 304L, 316, 316L, 304/304L, 304H, 316H, 316/316L, 321, 330, 347, 309/S, 310/S, 317/L, 333, 410/S, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
Carbon Steel :
Grade: ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70
Duplex Steel:
Grade: ASTM / ASME A/SA 182 UNS F44, F45, F51, F53, F55, F60, F61
Alloy Steel:
Grade : ASTM SA 182 - E25, E26, E27, E28, E29B, E30B, E39B, E40B, E36B, E36C, E41B, AISI4130, AISI4140, AISI4340, 42CRMO4, 16MNCR5, 20MNCR5, 21CrMoV57, EN353, EN354, F11, F22, F91, F9, P11, P22, P91, P9, P5, P92, EN42J, EN8, EN19

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