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The Uni-Lok Pipe to Pipe 3-Valve Manifold is a general purpose design for connection system impulse lines and transmitters. This manifold consists of two block balbes and an equalizer valve. Connections are 1/2″Female NPT on 2-1/8″(54mm) centers for safety, an bonnet lock pin is standard.

Specifications


- CONNECTION:1/2″Female NPT to 1/2″Female NPT
- One-piece, high strength body construction for safety no welding used.
- 316 stainless steel construction for superior corrosion resistance.
- Bonnet Lock pin prevents accidental valve disassembly.
- 2-1/8″(54mm) port centerline dimension for proper alignment.
- 100% pressure tested for shut-off and at all seals.
- Manifolds feature 4:1 safety factor.
 
Materials of Construction
 
No. Component Material Specification
1 Handle Stainless Steel
2 Handle Pin 17-4PH Stainless
3 Set Screw
4 Lock Nut Stainless Steel
5 Packing Bolt 316SS
6 Packing Support Reinforced TFE
7 Packing TFE/D 1710 of Grafoil
8 Bonnet 316SS
9a Stem (Needle Tip)
9b Stem (Plug Tip)
10 Seat (Plug Tip) Delrin
11 Lock Plate Stainless Steel
12 Cap Screw
13 Manifold Body 316SS
 
 
 
Manifold Selection Information

The pressure-temperature ratings are taken for ANSI B16.34 for standard class valves and are based on Class 2500.
Ratings for needle tip designs are based on specific seat materials.

★ ORIFICE : 3.2mm (0.125″)
★ WEIGHT : Approximate 0.9KG (2lbs)

TESTING

Standard production Test - Each valve on every manifold is factory tested with nitrogen at 1000psig(68bar). The test is performed to a maximum allowable leak rate of 0.1scc/min. at the seat and no detectable leakate at the packing and shell areas as measured by leak detector.
UNIT : mm
A B C(OPEN) D E F G H J K L(OPEN) M
78.0 86.0 229.0 29 28.6 43 54 34 39.0 17.0 105.5 64.0
 
Manifold Seletion Technical Data
Stem
Design
Ordering
Number
Seat Pressure
Rating
Pressure Rating
Max. Temperature
Packing
Needle
Tip
3VMNT-8N-SS
3VMNT-8N-FL-SS
316SS 413kg/㎠ from
-54℃ to 38℃
(6000PSIG from
-65°F to 100°F)
284kg/㎠@232℃
(4130PSIG @450°F)
TFE
3VMND-8N-SS 118kg/㎠@648℃
(1715PSIG @1200°F)
Grafoil
Vee Tip 3VMND-8N-SS
3VMVD-8N-FL-SS
Delrin 68kg/㎠@121℃
(1000PSIG @250°F)
TFE