NIPPON VALQUA INDUSTRIES, LTD. Valqua Valflon Jacket-Shaped Gasket PTFE for Flat Seat 10K　N7030-S5SZZZ-10K-15A

Feature

• Application
• Joints of various chemical devices such as tube flanges, towers, cisterns, and pots for handling corrosive fluids ○ Organic acids and acids that corrode metal materials (Smoked sulfuric acid, sulfuric acid, chromic acid, nitric acid, perchloric acid, hydrochloric acid, phosphoric acid, hydrofluoric acid, wet halogens, etc.) ○ Lines in which acid and alkali flow alternately (sulfuric acid and caustic soda)
• Joints of various chemical devices such as tube flanges, towers, cisterns, and pots with glass lining, etc., in which the gasket seat has a large waviness or strain and is limited in tightening force
• Joints of various chemical devices such as tube flanges, valve bonnets, liquid level meters, towers, cisterns, and pots for handling polar solvents that swell or dissolve rubbery materials
• Joints of various chemical devices such as esters, aldehydes, ketones, aromatic hydrocarbons, organic halides, etc.
• Joints of tube flanges, towers, cisterns, and pots that do not reduce product purity or change taste due to extraction of organic components from the gasket or elution of metal ions
• Foods, pharmaceuticals, Photosensitizers, pure water lines, etc.

Specifications

• Nominal diameter: listed after model number
• Temperature: - 100 ~ 200 degrees C
• Pressure: 2.0 MPa
• thickness unit mm: 2.9
• Gasket factor unit m: 3.5
• Minimum design clamping pressure N/mm 2: 14.7
• Recommended tightening surface pressure: liquid/15 MPa, gas/20 MPa
• Applicable Piping Category: General Piping
• Coating material: PTFE
• Mid-core structure: Single unit
• Peripheral treatment: None
• Shape: For flat seats
• Mid-core designation: Standard 6500