Fixed Competitive Price Closed Spring Loaded Low Lift Type Safety Valve - Plunger valve, Piston type flow control valve – Convista

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Fixed Competitive Price Closed Spring Loaded Low Lift Type Safety Valve - Plunger valve, Piston type flow control valve – Convista Detail:

Product characteristics and benefits

• Low actuating torque due to pressure balanced valve piston

• Contril valve in straightway type

• With customized control device depending on operating conditions

• Rotationally symmetrical flow guidance

• Annular flow cross section in each position

• Axial movement of the plunger by means of crank gear mechanism

• With self-locking worm gear unit including position indicator

• Elastic profile sealing ring located in the no-flow zone for high durability

• Wear-resistant, corrosion-resisitant and infiltration-proof piston guides in the body by micro-finished bronze weld overlay

• Face-to-face length acc. to EN 558, basic series 15-from DN 500 1.5*DN

• With flange ends on both sides acc. to EN 1092-2

Materials

• Body: Ductile iron EN-GJS-400-15 (GGG-40)

• Piston: Stainless steel 1.4301

• Piston guide rail: Bronze overlay welded

• Valve sealing: EPDM

• Inner parts: Stainless steel (exception: ＞DN 600 crank gear from EN-GJS-400-15 (GGG-40))

• Bearing bush: Bronze

• Eye bolts for lifting: Galvanized steel 1.0401 (C15)

Technical Parameters

plunger valve drawing

DN	L	L1	L2	H	H1	D0	A	B
400	800	715	308	980	335	250	345	390
450	900	749	347	1100	400	250	410	440
500	1000	792	383	1180	450	300	460	500
600	1200	847	458	1250	500	300	510	600
700	1400	920	528	1390	600	300	580	700
800	1600	980	599	1530	700	360	680	800
900	1800	1030	674	1650	800	360	780	900
1000	2000	1105	744	1800	900	400	860	1000
1200	2400	1375	852	2010	1000	400	950	1130
1400	2800	1380	1031	2230	1250	400	1250	1380
1600	3200	1490	1183	2480	1450	400	1500	1600
1800	3600	1780	1325	2720	1650	400	1750	1750
2000	4000	1910	1476	2930	1850	400	2000	1950

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