2603/2703 Series & 2604/2704 Series
Mini Block & Bleed Manifolds with .156 Inch Orifice
Hard Seat & Soft Tip
- Combine 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 statis 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 90° orientation, venting is to the left
- 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
- 2603/2604 Series hard seat valves have 10,000 psi pressure rating (@ 200°F maximum)
- 2703/2704 Series soft tip valves have 6,000 psi pressure rating (@ 200°F maximum)
- 2703/2704 Series valves also feature a replaceable Delrin® seat, and straight through porting for bi-directional, high capacity flow and easy roddable cleaning
- Blow-out proof stem provides a secondary stem seal in the full open position
- Viton® o-ring seal and Teflon® back-up ring below the stem threads to protect from corrosion and galling
- All stem threads 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
- Bonnet lock pin to prevent accidental loosening
- Vinyl bonnet and stem dust cap
- 0.156 inch orifice size
- Grafoil® is a registered trademark of Graftech International
- Viton®, Delrin® and Kalrez® are registered trademarks of DuPont Performance Elastomers
- Teflon® is a registered trademark of DuPont Plastic
- Parco® is a registered trademark of Parco, Inc.
- Simriz® is a registered trademark of Simrit, A Division Of Freudenberk-NOK
- Parker® is a registered trademark of Parker O-Ring Division
- Ketron® is a registered trademark of Quadrant Engineering Plastics
- KEL-F® brand is a registered trademark of 3M. Production of this brand was discontinued in 1995. The only remaining brand, Neoflon®, is made by Daikin Industries of Japan. This PCTFE resin has the same chemical structure and properties as the original KEL-F® brand material
Click on chart below to enlarge
Click on chart below to enlarge
To meet all of your specific application requirements, the following additional options are available for these manifold valves. To order all or any of these options, simply add them to the part number as shown in the diagram below.
NOTE 1: The example shown includes ALL possible additional options. Please include ONLY the options required for your application when building your part number. (EXAMPLE: 2704-MFC-P1)
NOTE 2: When a packing option is selected, an o-ring option is NOT available.
NOTE 3: The standard o-ring in all the NOSHOK Manifold Valves is Viton®




