supply of safety valve and relief valve (3 items) , safety valve, model no- vsbv25r40-4z, make- kromschroder, part no- ks84583010 or exactl y equivalent in other makes madas/honeywell/maxon and eclipse. nominal size (dn): 25 (approx. 1″) conn ection thread: rp internal thread (to iso 7-1) valve housing material: aluminium alloy valve seat / stem: a luminium or similar corrosion-resistant alloy diaphragm: elastomeric ( perbunan / nbr) valve plate seal: nb r or compatible polymer maximum inlet pressure (pu max): 4 bar (≈ 58 psi) opening (relief) pressure: fact ory set around 100 mbar (0.1 bar) standard, with an adjustable range - 70 to 170 mbar temperature: -15 d egree c to +60 degree c dimensions: -132 - 165 - 90 mm (length/height/depth) note: 1) tenderer shall quote along with the technical/dimensional catalogue and adc. 2) only oem/authorised dea lers of oem shall participate in the tender. [ warranty period: 18 months after the date of deliver y ] ] , safety valve, model no-vlv, sfty relf rp 1 gas vsbv25r40 4z 4bar, make-kromschrode r, part no-ks84583011 or exactly equivalent in other makes krom schroder/madas/honeywell/maxon and e clipse. maximum inlet pressure (pu max): 4 bar (≈ 58 psi) adjustable opening (relief) pressure: 20 - 500 m bar (≈ 8 -200 ″wc) factory standard spring setting: typically 70 - 170 mbar (≈ 28-68″wc) temperature: a pprox. -15 degree c to +60 degree c note: 1) tenderer shall quote along with the technical/dimensional catalogue and adc. 2) only oem/authorised dealers of oem shall participate in the tender. [ warranty period: 18 months after the date of delivery ] ] , relief valve, model no-van 115r/nq 1/2 in rp,120, make-kromschroder, part no-ks88012 133 vsov-100 or exactly equivalent in other makes krom schroder/madas/honeywell/maxon and eclipse. n ominal size: dn 15 connection: rp internal thread (bsp female) maximum inlet pressure (pu max): 500 mb ar (≈ 7 psig / 0.5 bar) . supply voltage: 120 v ac, 50/60 hz flow action: quick opening / quick closing (fast response on electrical command). protection class: ip 65 (dust tight and protected against water jets) temp erature: -20 *c to +60 *c body: aluminium alloy with elastomer gas seals overall length (l): -75 mm weig ht: -1.4 kg note: 1) tenderer shall quote along with the technical/dimensional catalogue and adc. 2) only oem/authorised dealers of oem shall participate in the tender. [ warranty perio d: 18 months after the date of delivery ] ]