Dixon ST Series, Snap-Tite 71 Interchange Nipple Seal Kits

Brand
Dixon U.S.A.

DESCRIPTIONS
Interchange Data:
– Interchangeable with Snap-Tite 71-Series

Description

Materials:
– Machined components are manufactured using solid steel bar stock.
– Stainless steel balls, retaining rings, and springs maximise corrosion resistance and extend service life.
– Steel componentry is plated using ROHS Compliant Trivalent Chrome.
– Steel coupler sleeves are hardened to resist deformation and maximise service life.
– Steel nipples are hardened to provide heavy duty performance.

Seal components:
– Nitrile (Buna-N) seals are standard, providing a temperature range of -40oF to +250oF (-40oC to +121oC).
– All couplers and nipples incorporate PTFE or TPC-ET anti-extrusion rings to protect the seal components from dynamic impulse damage.

Working Pressure:

Body Size Steel Coupler/ Plug Coupled 316 Stainless Steel/ Plug Coupled
PSI Bar PSI Bar
1/4″ 10000 700 5000 345
3/8″ 10000 700 5000 345
1/2″ 10000 700 5000 345
3/4″ 7500 500 5000 345
1″ 7500 500 4000 275
1″ – V2 8500 585
2″ 5000 345 3000 200

Technical Specifications:

Body Size Functional Parameters
Locking Ball Quantity Air Inclusion Fluid Loss Vacuum
(Inch HG)
Flow
ΔP = 22 PSI
1/4″ 10 0.01cc 0.02cc N/R 3.1 GPM
3/8″ 10 0.02cc 0.02cc N/R 7.7 GPM
1/2″ 12 0.03cc 0.03cc N/R 15 GPM
3/4″ 12 0.04cc 0.06cc N/R 30 GPM
1″ 12 0.06cc 0.07cc N/R 45 GPM
1″ – V2 12 0.09cc 0.10cc N/R 50 GPM
2″ 15 3.14cc 5.25cc N/R 150 GPM

Note:  Minimum burst pressure ratings were established under laboratory conditions using Static Burst Unit (SBU). For high impulse applications and to meet Det Norske Veritas (DNV) compliance, the burst pressure must be divided by four (4) to ensure a 4:1 safety factor during system operation.

 

Part No. Body Size Coupler Style Seal Material Seal Kit Contents
ST2-SKIT 1/4″ all Nitrile Valve O-Ring/ Back-up and Adapter O-Ring
ST3-SKIT 3/8″ all Nitrile Valve O-Ring/ Back-up and Adapter O-Ring
ST4-SKIT 1/2″ all Nitrile Valve O-Ring/ Back-up and Adapter O-Ring
ST6-SKIT 3/4″ all Nitrile Valve O-Ring/ Back-up and Adapter O-Ring
ST8-SKIT 1″ all Nitrile Valve O-Ring/ Back-up and Adapter O-Ring
ST16-SKIT 2″ all Nitrile Main Valve Seal

V2 denotes previous version

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