NOSHOK 2170-MFS-PK1 PEAK ADDER 1/2 NPT, Male x Female, 316 SS Soft Seat/Tip 2-Valve Block & Bleed
$376.52 Original price was: $376.52.$275.00Current price is: $275.00.
5 in stock
Noshok 2170-MFS-PK1 PEAK ADDER 1/2 NPT, Male x Female, 316 SS Soft Seat/Tip 2-Valve Block
- 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 instruments to be removed without disturbing the permanent piping installation
- The 1/4″ NPT vent plug is located 90° to the left and may be removed and replaced with exhaust piping to direct the fluids to a safe location
- 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
- 6,000 psi pressure rating @ 200 °F
- Replaceable Acetal seat, and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
- PCTFE or PEEK soft seat optional
- 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 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 cap for bonnet and stem (non-packing)
ORDERING INFORMATION
| SERIES | 2 | 2-valve | ||||
| SEAT | 1 | Soft seat | ||||
| PROCESS TYPE | 7 | Block & bleed | ||||
| CONNECTION SIZES | 0 | 1/2″ NPT | 2 | 1/4″ NPT | ||
| VALVE TYPES | MFC | Male-Female, Steel | FMC | Female-Male, Steel | FFCR | Female-Female, Steel, Right Vent |
| MFCR | Male-Female, Steel, Right Vent | EFMC | Extended Female-Male, Steel | EFFC | Extended Female-Female, Steel | |
| EMFC | Extended Male-Female, Steel | FMS | Female-Male, Stainless Steel | FFS | Female-Female, Stainless Steel | |
| MFS | Male-Female, Stainless Steel | EFMS | Extended Female-Male, Stainless Steel | FFSR | Female-Female, Stainless Steel, Right Vent | |
| MFSR | Male-Female, Stainless Steel, Right Vent | FFC | Female-Female, Steel | EFFS | Extended Female-Female, Stainless Steel | |
| EMFS | Extended Male-Female, Stainless Steel |
ORDERING INFORMATION – Additional Options
| SOFT SEAT | PK1 | PEEK | KF1 | PCTFE | ||
| PACKING | P1 | PTFE | ||||
| STEM TIP | T1 | Non-rotating (316 stainless, Isolation Valve Only) | ||||
| O-RINGS* | EM1 | EPDM | KZ1 | FFKM (Perfluoroelastomer) | NB1 | NBR |
| HANDLES | HL1 | 1-13/16″ Mini “T” | HL3 | 1″ Round knurled | HL5 | 1-3/4″ Phenolic |
| HL2 | 2-1/2″ “T” | HL4 | 1-3/8″ Phenolic | |||
* Other o-ring materials available on request.
Please note that the standard o-ring in all the NOSHOK valves is FKM and the standard handles are block “T” handles (HL2) and bleed 1-3/8″ mini “T” handle (HL7).
The handle material will always match the material of the valve, unless otherwise specified. For example, the “T” handle (HL2) on the 2170-FFC will be steel. When only the standard configuration is needed, no additional designations are necessary. Please consult the factory for special application requests.
Description
Noshok 2170-MFS-PK1 PEAK ADDER 1/2 NPT, Male x Female, 316 SS Soft Seat/Tip 2-Valve Block
- 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 instruments to be removed without disturbing the permanent piping installation
- The 1/4″ NPT vent plug is located 90° to the left and may be removed and replaced with exhaust piping to direct the fluids to a safe location
- 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
- 6,000 psi pressure rating @ 200 °F
- Replaceable Acetal seat, and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
- PCTFE or PEEK soft seat optional
- 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 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 cap for bonnet and stem (non-packing)
ORDERING INFORMATION
| SERIES | 2 | 2-valve | ||||
| SEAT | 1 | Soft seat | ||||
| PROCESS TYPE | 7 | Block & bleed | ||||
| CONNECTION SIZES | 0 | 1/2″ NPT | 2 | 1/4″ NPT | ||
| VALVE TYPES | MFC | Male-Female, Steel | FMC | Female-Male, Steel | FFCR | Female-Female, Steel, Right Vent |
| MFCR | Male-Female, Steel, Right Vent | EFMC | Extended Female-Male, Steel | EFFC | Extended Female-Female, Steel | |
| EMFC | Extended Male-Female, Steel | FMS | Female-Male, Stainless Steel | FFS | Female-Female, Stainless Steel | |
| MFS | Male-Female, Stainless Steel | EFMS | Extended Female-Male, Stainless Steel | FFSR | Female-Female, Stainless Steel, Right Vent | |
| MFSR | Male-Female, Stainless Steel, Right Vent | FFC | Female-Female, Steel | EFFS | Extended Female-Female, Stainless Steel | |
| EMFS | Extended Male-Female, Stainless Steel |
ORDERING INFORMATION – Additional Options
| SOFT SEAT | PK1 | PEEK | KF1 | PCTFE | ||
| PACKING | P1 | PTFE | ||||
| STEM TIP | T1 | Non-rotating (316 stainless, Isolation Valve Only) | ||||
| O-RINGS* | EM1 | EPDM | KZ1 | FFKM (Perfluoroelastomer) | NB1 | NBR |
| HANDLES | HL1 | 1-13/16″ Mini “T” | HL3 | 1″ Round knurled | HL5 | 1-3/4″ Phenolic |
| HL2 | 2-1/2″ “T” | HL4 | 1-3/8″ Phenolic | |||
* Other o-ring materials available on request.
Please note that the standard o-ring in all the NOSHOK valves is FKM and the standard handles are block “T” handles (HL2) and bleed 1-3/8″ mini “T” handle (HL7).
The handle material will always match the material of the valve, unless otherwise specified. For example, the “T” handle (HL2) on the 2170-FFC will be steel. When only the standard configuration is needed, no additional designations are necessary. Please consult the factory for special application requests.

