NOSHOK version
Original product data
Specifications
- modelNumber
- 25H-02S-S-02S
- subcategory1
- Diaphragm Seals
- subcategory2
- Non-Replaceable Diaphragm Seals
- subcategory3
- Type 25/25H Standard and Elevated Pressure, Non-Replaceable Diaphragm Seals
- Item Name
- Type 25 Welded Diaphragm Seal, Elevated Pressure, 1/4" NPT Instrument Conn, 316 Stainless Steel, 316 Stainless Steel Diaphragm, 1/4" NPT Process Conn, 316 Stainless Steel
- Description
- Designed to isolate the pressure measuring instrument from corrosive or viscous process media
- Utilize an all welded, all metallic housing design to eliminate potential leak paths
- For use with gauges with dial sizes of 2-1/2" and smaller, and pressure ranges no less than 100 psig
- Housing and diaphragm offered in a variety of materials to suit most applications
- A flushing port is available to clean wetted areas and prevent process media build up
- Image Name
- https://b1.noshokmedia.com/images/Type-25-25H-Diaphragm-Seals.jpg
- Secondary Image
- https://b1.noshokmedia.com/images/Type-25H-Elevated-Pressure.jpg
- Data Sheet
- https://b1.noshokmedia.com/assets/1772268252414-type_25-25h_data_sheet.pdf
- User Manual
- No User Manual
- Dimensions
- https://b1.noshokmedia.com/assets/1772268247381-type-5-dimensions.jpg
- Additional Assets
- https://b1.noshokmedia.com/images/Cooling-Elements.jpg|https://b1.noshokmedia.com/images/Distribution-Manifolds.jpg|https://b1.noshokmedia.com/images/Plain-and-Armored-Capillaries.jpg|https://b1.noshokmedia.com/images/Seal-and-Pressure-Transmitter-Switch-Assembly-For-Wastewater-Chemical-Feed.jpg|https://b1.noshokmedia.com/documents/Type_25-25H_Standard_and_Elevated_Pressure.pdf
- Additional Information
- Consider instrument size, pressure range, media composition, ambient and operating temperature, and maximum working pressure when selecting
- Capillaries and cooling elements are available for elevated process temperatures, see options & accessories below
- Fill fluid must be compatible with process media; i.e. Glycerin may become volatile in conjunction with a strong oxidizing agent such as chlorine, forms of oxygen or peroxide and nitric acids
- Application
- Water and wastewater
- Oil and gas
- Petrochemical
- Chemical processing
- Industrial automation
- Marine
- Agriculture
- Steel fabrication
- Mud pumping
- Pulp and paper
- Pneumatic
- Category
- All Categories
- Category full name
- All Categories > Diaphragm Seals > Non-Replaceable Diaphragm Seals > Type 25/25H Standard and Elevated Pressure, Non-Replaceable Diaphragm Seals
- Company Name
- NOSHOK, Inc.
- Cooling Elements
- 1/4" NPT x 1/4" NPT Cooling Element (1/4" NPT x 1/4" NPT-CE)
- 1/2" NPT x 1/2" NPT Cooling Element (1/2" NPT x 1/2" NPT-CE)
- Works in combination with diaphragm seal to isolate instrument from high media temperatures
- Recommended for process temperatures above 212 ºF
- Requires direct mounted system
- Effective temperature reductions of 200 ºF depending upon ambient conditions
- High > 212 ºF process temperature, low < -40 ºF process temperature
- All Stainless Steel construction
- Diaphragm Displacement_mm³
- 400
- Diaphragm Material
- 316 Stainless Steel
- Diaphragm Pressure Limits for Fluorocarbon (FKM) Material_psi
- 2,000
- Diaphragm Pressure Limits for Polytetrafluoroethylene (PTFE) Material_psi
- 2,000
- Diaphragm Seal Fill Options
- Glycerin (GY) Not recommended for use in vacuum applications.)
- Silicone (SL)
- Halocarbon® (HL)
- Neobee M20 (NB)
- Mineral Oil (MO)
- Propylene Glycol (PG)
- Diaphragm Size_in
- 1.28
- Diaphragm Temperature Limits for Fluorocarbon (FKM) Material_ºF
- -10 to 400
- Diaphragm Temperature Limits for Polytetrafluoroethylene (PTFE) Material_ºF
- -40 to 400
- Distribution Manifolds
- NOSHOK's Distribution Manifolds connect multiple instruments to one diaphragm seal, eliminating multiple connections that lead to possible leak paths.
- Instrument Connection
- 1/4" National Pipe Thread (NPT)
- Instrument Connection Size_in
- 1/4
- Instrument Connection Type
- National Pipe Thread (NPT)
- Instrument Gauge Size_in
- 2-1/2
- Instrument Type
- Gauges, Transducers, Switches
- Limitations Which Apply Are
- 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. Gauge failures determined to be caused by over-range, incompatibility with environment or product media and abuse will not be considered under this warranty. NOSHOK, Inc. will, at its discretion, repair or replace the working parts of the damaged gauge without cost to the customer.
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. - Lower Housing Connection Size_in
- 1/4|1/2|3/4|1|1-1/4|1-1/2
- Lower Housing Connection Type
- National Pipe Thread (NPT)
- Lower Housing Flushing Port
- Optional 1/8" NPT and 1/4" NPT
- Maximum Pressure Limits for Glass Transition Temperature (Tg), Tetoron Cotton (TC) Bottom Housing Material_psi
- 200
- Maximum Pressure Limits for Polypropylene (PP) Bottom Housing Material_psi
- 200
- Maximum Pressure Limits for Polyvinyl Chloride (PVC) Bottom Housing Material_psi
- 80|125|200
- Maximum Pressure Limits for Polyvinylidene Fluoride (PVDF) Bottom Housing Material_psi
- 200
- Maximum Temperature Limits for Glass Transition Temperature (Tg), Tetoron Cotton (TC) Bottom Housing Material_ºF
- 150
- Maximum Temperature Limits for Polypropylene (PP) Bottom Housing Material_ºF
- 140
- Maximum Temperature Limits for Polyvinyl Chloride (PVC) Bottom Housing Material_ºF
- 74|125|150
- Maximum Temperature Limits for Polyvinylidene Fluoride (PVDF) Bottom Housing Material_ºF
- 180
- Note for Diaphragm Pressure and Temperature Limits
- Metallic diaphragms determined by pressure range of seal type, restricted to temperature range of fill fluid.
- Note for Maximum Pressure and Temperature Limits Bottom Housing Material
- Metallic lower housings determined by pressure range of seal type, restricted to temperature range of fill fluid.
- O-Ring Temperature Limits for Fluorocarbon (FKM) Material_ºF
- -10 to 400
- O-Ring Temperature Limits for Nitrile Butadiene Rubber (NBR) Material_ºF
- -40 to 250
- O-Ring Temperature Limits for Polytetrafluoroethylene (PTFE) Material_ºF
- -400 to 400
- Plain and Armored Capillaries
- 5 ft. SS Armored Flexible Capillary, 1/4" NPT (AC-02-02-5) per ft. adder (AC-02-02-#)
- 5 ft. SS Armored Flexible Capillary, 1/2" NPT (AC-04-04-5) per ft. adder (AC-04-04-#)
- Stainless Steel capillaries available with or without Stainless Steel armor
- Protects the instrument from high or low process temperatures
- Allows remote mounting of pressure instrument(s)
- Select the shortest capillary length possible, as changes in ambient temperature conditions may significantly affect the accuracy and response time of the instrument
- Standard length 5', others available
- Installation on analog gauges requires a gauge support and gauge adaptor, or other surface mounting provisions
- Any level difference between the instrument and the seal will result in a pressure indication error; make sure to compensate for the level difference during calibration of the diaphragm seal assembly if the level difference is known
- Filling options for capillaries
- Silicone - specify to 10 or 20 feet (SL-C)
- Halocarbon® - specify to 10 or 20 feet (HL-C)
- Pressure [Max]
- {" for Switches_psig":"0 to 2,500"," for Gauges 2-1/2 in":{" Size_psig":"0 to 2,500"}," for Transducers_psig":"0 to 2,500"}
- Pressure [Min]
- {" for Switches_psig":"0 to 60"," for Gauges 2-1/2 in":{" Size_psig":"0 to 100"}," for Transducers_psig":"0 to 60"}
- Process Connection
- 1/4" National Pipe Thread (NPT)
- Process Connection Size_in
- 1/4
- Product Name
- Type 25/25H Standard and Elevated Pressure, Non-Replaceable Diaphragm Seals
- Prop 65 Warnings
WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov - Seal Type
- Threaded with welded diaphragm
- Style
- Non-Replaceable Diaphragm Seal
- Syndication_SET
- 1
- Type
- Diaphragm Seal
- Upper Housing Material
- 316 Stainless Steel
- Upper Housing Type
- Non-Continuous Duty
- Warranty_yr
- 1
- Product Subcategory Description
A wide selection of non-replaceable NOSHOK diaphragm seals are available to meet multiple application requirements. Options include non-metallic, front flush, high volumetric displacement, standard, elevated and reduced pressure, and sanitary models.
- Image
- https://b1.noshokmedia.com/assets/1772268252709-type_25-25h_image.jpg
- Wiring Diagram
- No Wiring Diagram
- Marketing Flyers
- https://www.noshok.com/images/flyers/Flyer__Brochure_PDFs/Measurement_Solutions_for_the_Water___Wastewater_Industry.pdf
- Quick Start Guide
- No Quick Start Guide