JIS F7398connection self-seal pattern release valve

1. The flanges of  nominal diametro 40 or less shall conform to JIS B2240 -5K and the flanges of nominal diametro 50 or more less conform to JIS B2210 -5K

2. However they may conform to JIS B2240 -5k or JIS B2210 -5K

3. Materials:
   

(1). Body: Cast Tin Bronze;

(2). Bonnet: Cast Tin Bronze;

(3). Handwheel: Cast Iron; 

(4). Disc: Stainless Steel; 

(5). Body Seat Ring: Stainless Steel; 

(6). Disc Nut: Brass;

(7). Bonnet Bush: Brass;

(8). Packingn Gland: Branze;

(9). Stem: Stainless Steel; 

(10). Bonnet Bolt: Steel;

(11). Packing Bolt: Steel;

(12). Bonnet Nut: Steel;

(13). Packing Nut: Brass;

(14). Disc Washer: Stainless Steel; 

(15). Stem Bush: Brass;

(16). Spindle: Stainless Steel; 

(17). Lever: Steel:

(18). Spring: Sup4;

(19). Spring Support: Bronze/Steel;

(20). Stay: Steel;

(21). Support Bush: Bronze/Steel;

(22). Stay Nut: Steel;

(23). Nut: Steel;

(24). Machine Screw: Brass;

(25). Split Pin: Brass;

(26). Machine Screw: Brass;

(27). Lock Pin: Steel;

(28). Pneumatic Cylinder: Bronze/Steel;

(29). Name Plate: Brass;

(30). Washer: Steel;

(32). Seat Screw: Steel;

(33). Nipple: Brass;

(34). Packing: Non Asbestos;

(35). Bonnet Gasket: Non Asbestos

    4. Dimensions