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  • Combines isolating and venting in a single valve, eliminating the need for tubing and fittings
  • Block valve isolates the downstream process fluids and the bleed valve exhausts upstream fluids enabling static pressure transmitters, switches or gauges to be removed without disturbing the permanent piping installation
  • Block valve is located on the right and the bleed valve is located on top in a 90º orientation, venting is to the left
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2604/2704 Series 0.156 in. Orifice Block and Bleed 2 Manifold Valves with Hard Seat and Soft Tip

Hard Seat, 1/2" National Pipe Thread (NPT) Female x 1/2" National Pipe Thread (NPT) Female, Steel, 0.156" Orifice 2 Manifold Valve
2604/2704 Series 0.156 in. Orifice Block and Bleed 2 Manifold Valves with Hard Seat and Soft Tip

Hard Seat, 1/2" National Pipe Thread (NPT) Female x 1/2" National Pipe Thread (NPT) Female, 316 Stainless Steel, 0.156" Orifice 2 Manifold Valve
2604/2704 Series 0.156 in. Orifice Block and Bleed 2 Manifold Valves with Hard Seat and Soft Tip

Hard Seat, 1/2" National Pipe Thread (NPT) Female x 1/2" National Pipe Thread (NPT) Female, Right Vent, 316 Stainless Steel 2 Manifold Valve with Polytetrafluoroethylene (PTFE) Packing
2604/2704 Series 0.156 in. Orifice Block and Bleed 2 Manifold Valves with Hard Seat and Soft Tip

Soft Tip, 1/2" National Pipe Thread (NPT) Female x 1/2" National Pipe Thread (NPT) Female, Steel, 0.156" Orifice 2 Manifold Valve
2604/2704 Series 0.156 in. Orifice Block and Bleed 2 Manifold Valves with Hard Seat and Soft Tip

Soft Tip, 1/2" National Pipe Thread (NPT) Female x 1/2" National Pipe Thread (NPT) Female, 316 Stainless Steel, 0.156" Orifice 2 Manifold Valve
Description N/A
  • Combines isolating and venting in a single valve, eliminating the need for tubing and fittings
  • Block valve isolates the downstream process fluids and the bleed valve exhausts upstream fluids enabling static pressure transmitters, switches or gauges to be removed without disturbing the permanent piping installation
  • Block valve is located on the right and the bleed valve is located on top in a 90º orientation, venting is to the left
Type N/A Manifold Valve
Materials N/A Zinc-nickel plated steel, electropolished 316 Stainless Steel
Series N/A 2-Valve
Seat N/A Hard Seat N/A Hard Seat N/A Hard Seat N/A Soft Tip N/A Soft Tip
Process Type N/A Static Pressure
Connection Size N/A 1/2 in
Connection Type N/A National Pipe Thread (NPT)
Valve Type N/A Female-Female
Valve Material N/A Steel N/A Stainless Steel N/A Stainless Steel N/A Steel N/A Stainless Steel
Packings1 N/A N/A N/A Polytetrafluoroethylene (PTFE) N/A N/A
Pressure Rating at 200 Degree Fahrenheit (ºF) Temperature N/A 10,000 psi N/A 10,000 psi N/A 10,000 psi N/A 6,000 psi N/A 6,000 psi
Orifice Size N/A 0.156 in
Flow Coefficient Cv N/A 0.44
Stem Seal and Type N/A All 316 Stainless Steel stems with Fluorocarbon (FKM) o-ring and Polytetrafluoroethylene (PTFE) back-up ring below the threads, Polytetrafluoroethylene (PTFE) or Graphite packing optional
Warranty N/A 3 y
Prop 65 Warnings N/A
WARNING: This product can expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Limitations Which Apply Are N/A These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation.

In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.
Options N/A o-ring materials, handles, packings, regulating stem and stem tips
Additional Options N/A
Options and Accessories N/A
Additional Information N/A
  • 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
  • Soft tip valves feature a patented Acetal non-rotating soft tip stem, and a back-up metal-to-metal seal (U.S. Patent 6,820,857)
  • Blow-out proof stem provides a secondary stem seal in the full open position
  • FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional
  • All stems are 316 Stainless Steel
  • All stem threads are rolled for strength and ease of operation
  • One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads
  • Slotted spring pin to prevent accidental loosening
  • Vinyl dust caps for bonnets and stems (non-packing)
  • Patented body-to-bonnet, metal-to-metal seal is designed to significantly increase the pressure range of the valve (U.S. Patent 7,758,014)
Installed Options and Accessories N/A
  • Packing
  • PTFE Manifold Gasket Ring (RG1-TF1)
  • Graphite Manifold Gasket (RG1-GF1)
Connectors N/A NOSHOK offers Stabilized & Non-Stabilized Connectors, as well as Stabilized Connectors With Integral Block Valve designed to reinforce the entire installation by shifting radial-stress load away from the NPT connections.
Dielectric Kits DK Series N/A Dielectric Kits are designed to maintain the integrity and reliability of the pipeline and piping system through safety and corrosion protection. Dielectric Kits provide a non-conductive barrier between the process piping and the instrument and isolate components from the effects of electrical current. By eliminating metal-to-metal contact, current is halted to prevent corrosion and aid in the cathodic protection of the system.
  • One Piece Dielectric Gasket, Pair, Steel, Acetal (DK1)
  • One Piece Dielectric Gasket, Pair with Stainless Steel Bolts, Stainless Steel, Acetal (DK1-SS)
  • PTFE Gasket with Dielectric Shim, Pair, Steel, PTFE, PVC (DK2)
DK1
  • Single piece design combining a Acetal sealing gasket and Acetal dielectric shim
  • Bolts, washers and dielectric bushings are included with the kits
  • Cannot be used in conjunction with seal rings or o-rings
  • Seal rings or o-rings not required
DK2
  • Used as an alternative to a one-piece design when a separate sealing gasket or o-ring is required
  • Two piece design consisting of a PTFE sealing gasket and PVC dielectric shim
  • Bolts, washers and dielectric bushings are included with the kits
Specifications:
  • Material: Acetal, PVC
  • Max operating temp 150 ºF
  • Dielectric strength exceeds 1/32 air arc gap approximately 2,500 Vdc
All 316SS products meet the requirements of NACE MR0175/ISO 15156-3.
Manifold Kits N/A The manifold mounting kit is designed for direct or remote mounting to a two-inch pipe stand. This kit can be used with any NOSHOK 2-valve or 3-valve manifold by mounting a Steel or Stainless Steel bracket directly to the manifold body.
  • Flange - Flange Mounting Kit, Steel (MK1-CS1)
  • Flange - Flange Mounting Kit, 304 Stainless Steel (MK1-SS2)
  • Flange - NPT Mounting Kit, Steel (MK2-CS1)
  • Flange - NPT Mounting Kit, Steel Stainless Steel (MK2-SS2)
  • NPT - NPT Mounting Kit, Steel (MK4-CS1) (For 2-Valve Manifolds Only)
  • NPT - NPT Mounting Kit, 304 Stainless Steel (MK4-SS2) (For 2-Valve Manifolds Only)
O-Ring Options N/A
  • Aflas (AF1) (For 1/8" NPT to 1/2" NPT only)
  • Perfluoroelastomer (FFKM) 3018 (KZ1) (For 1/8" NPT to 1/2" NPT only)
  • Perfluoroelastomer (FFKM) 4079 (KZ2) (For 1/8" NPT to 1/2" NPT only)
  • Simriz 89D (KZ3) (For 1/8" NPT to 1/2" NPT only)
  • Perfluoroelastomer (FFKM) 7075 (KZ4) (For 1/8" NPT to 1/2" NPT only)
  • Elast O Lion (EL1) (For 1/8" NPT to 1/2" NPT only)
  • EPDM 80 (EM1) (For 1/8" NPT to 1/2" NPT only)
  • EPDM 90 (EM2) (For 1/8" NPT to 1/2" NPT only)
  • EPDM 70 (EM3) (For 1/8" NPT to 1/2" NPT only)
  • NBR 70 (NB1) (For 1/8" NPT to 1/2" NPT only)
  • EPDM 70 (EM1) (For 3/4" NPT to 1-1/2" NPT only)
  • Perfluoroelastomer (FFKM) 4079 (KZ2) (For 3/4" NPT to 1-1/2" NPT only)
  • Elast O Lion (EL1) (For 3/4" NPT to 1-1/2" NPT only)
  • Low Temperature FKM (VT1) (For 1/8" NPT to 1/2" NPT only)
  • Low Temperature FKM (VT2) (For 3/4" NPT to 1-1/2" NPT only)
Related Items N/A , 5 Valve National Pipe Thread (NPT)-National Pipe Thread (NPT)/National Pipe Thread (NPT)-Flange Steel Mounting Kit
, 5 Valve National Pipe Thread (NPT)-National Pipe Thread (NPT)/National Pipe Thread (NPT)-Flange 304 Stainless Steel Mounting Kit
  • 1 If a packing option is chosen, maximum pressure rating is 6,000 psi. Refer to the "Pressure vs Temperature: Packing Style with Compatible Fluid" chart.

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