Clean Fittings

Hy-Lok Clean Fittings are manufactured for high purity gas applications to ASME/ASTM. They are manually or automatically orbitally welded. Passivation is performed in a nitric acid atmosphere. Final cleaning is carried out in an ultrasonic bath with demineralised water with a specific resistance of over 18 MΩ after passivation.

Material

Material	Material No.
316 stainless steel:	S316
316L stainless steel:	S316L
316L stainless steel melted under a single vacuum:	VV6L
316L stainless steel melted under a double vacuum:	SM6L

Specifications
Bar material:	ASME SA479, ASTM A479, ASTM A276
Forged parts:	ASME SA182, ASTM A182

Pressure Dimensioning

Hy-Lok Clean welding fittings and fittings with metal sealing washer are made from the materials listed in the material table and designed in accordance with ASME Code B 31.3 for pressure pipelines and for a permissible load of 20,000 psi for process pipelines (equivalent pipe wall thicknesses to ASTM A269).

The pressure dimensioning of the fittings also depends on the application temperature. The maximum permissible working pressure at a temperature above 37°C (100°F) can be determined using the factor in Table 1.

In order to determine the maximum permissible pressure in accordance with ASME B31.1 for power piping, the working pressure has to be multiplied by a factor of 0.94.

Tests and Standards

ZCR fittings with uncoated, silver coated and copper sealing washers are tested for leaks using helium. The permissible leakage rate here is 10^-10 mbar l/s.
Other tests are offered, on demand.

DOWNLOADS

Clean Fittings H-250CF-D, 2011-03 [2.3 MB]

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Alle mit * gekennzeichneten Felder sind Pflichtfelder.

Welding pipe fittings

Mini Butt Welding Fittings

H-ML-A

Union elbow, long with collar

H-MT-A

Union tee, long with collar

H-MX-A

Union cross, long with collar

H-MLA

Mini reducing elbow

H-MTA

Mini reducing tee

H-MCA

Mini weld reducing union

TBW welding fittings for manual welding

[Translate to Englisch:] Winkelschweißstück lang H-ML

H-ML

Union elbow, long

[Translate to Englisch:] T-Schweißstück lang H-MT

H-MT

Union tee, long

[Translate to Englisch:] Kreuzschweißstück lang H-MX

H-MX

Union cross, long

[Translate to Englisch:] T-Reduzierschweißstück lang H-MT

H-MT

Reducing tee, long

[Translate to Englisch:] Reduzierschweißstück H-MU

H-MU

Weld reducing union

ATW welding fittings for automatic welding

H-ML-A

Union elbow, long with collar

H-MT-A

Union tee, long with collar

H-MX-A

Union cross, long with collar

H-MT-A

Reducer tee, long with collar

H-MU-A

Straight butt weld union

H-MU-A

Straight reducer with collar

Fittings with metal sealing washer

Sleeves

H-ZSG

Socket with butt welding fitting, short

H-ZLG

Socket with butt welding fitting, long

H-ZMSG

Mini socket with butt welding fitting, short

H-ZMLG

Mini socket with butt welding fitting, long

H-ZSG-A

Pipe welding socket with shoulder, short

H-ZLG-A

Pipe welding socket with shoulder, long

H-ZMSG-A

Mini pipe welding socket with shoulder, short

H-ZGM

Welding sleeve

H-ZGS

Sleeve for socket welding

H-ZGS

Reducer sleeve for socket welding

H-ZGS

Sleeve for socket welding, short

H-ZGT

Pipe socket

H-ZBG

Blind socket

Screw fittings, elbows, T-pieces, connectors

H-ZC

Coupler

H-ZUA

Male screw connector

H-ZLA

Male elbow screw connector

H-ZTA

T-piece

H-ZXA

Cross

H-ZUR

Male reducer

H-ZBHU

Male bulkhead connector

H-ZHC

Connector with Hy-Lok screw fitting

H-ZBHC

Bulkhead connector with Hy-Lok screw fitting

H-ZMC

NPT male screw connector

H-ZLMA

NPT male elbow screw connector

H-ZSC

Male screw connector, cylindrical thread with O-ring seal

H-ZFC

NPT female screw connector

H-ZBMC

Male bulkhead connector

H-ZBT

Face seal fitting with butt welding fitting

Swivel screw fittings, elbows, T-pieces, connectors

H-ZSMU

Male/female swivel screw connector

H-ZSUA

Female swivel screw connector

H-ZSMC

NPT male swivel screw connector

H-ZSFC

NPT female swivel screw connector

H-ZSMH

Swivel connector with Hy-Lok screw fitting

H-ZSLA

Swivel elbow

H-ZSTA

Swivel T-piece

Nuts, sealing caps, plugs and sealing washers

H-ZFN

Nut with inside thread

H-ZMN

Nut with outside thread

H-ZCP

Pipe sealing cap

[Translate to Englisch:] Verschlussstopfen H-ZP

H-ZP

Seal plug

H-ZGSK

Sealing washer

H-ZGRT

Sealing washer with holder

Connections for high flow rates

H-ZHG

Socket with butt welding fitting for high flow rates

[Translate to Englisch:] Reduzierstutzen mit Stumpfschweißanschluss für hohe Durchflussrate H-ZR

H-ZR

Reducer socket with butt welding fitting for high flow rates

H-ZR-A

Reducer with butt welding fitting and collar for high flow rates

H-ZHBT

Face seal fitting with butt welding fitting for high flow rates

H-ZHLA

Elbow for high flow rates

H-ZHLA

Elbow for high flow rates

H-ZHTA

T-piece for high flow rates

H-ZHFN

Female thread nut for high flow rates

H-ZHMN

Male thread nut for high flow rates