Manual valve PN16 ~ PN40 worm fixed to the worm gear, flange connection, floating ball straight-form structure, seat sealing surface material is PTFE, PTFE reinforced plastic (Q341F), cobalt-based metal welding (Q341Y), nominal pressure PN16 ~ PN40, body material for WCB, CF8, CF8M ball valve, widely used in all walks of life. Product performance parameters: Q341Y, Q341F worm-type manual valve PN16 ~ PN40 performance parameters Model PN Working pressure / MPa Temperature / ℃ Applicable medium Q341F-16C 16 1.6 ≤180 water, gas, oil Q341F-25 25 2.5 Q341F-40 40 4.0 Q341Y-16C 16 1.6 ≤425 water, gas, oil-containing granular media Q341Y-25 25 2.5 Q341Y-40 40 4.0 Q341F-16P 16 1.6 ≤180 nitric acid Q341F-25P 25 2.5 Q341F-40P 40 4.0 Q341Y-16P 16 1.6 ≤ 450 Water, gas and oil-containing granular media Q341Y-25P 25 2.5 Q341Y-40P 40 4.0 Q341F-16R 16 1.6 ≤180 nitric acid Q341F-25R 25 2.5 Q341F-40R 40 4.0 Q341Y-16R 16 1.6 ≤450 water, gas, oil medium containing particles Q341Y-25R 25 2.5 Q341Y-40R 40 4.0 product components Material: Q341Y, Q341F worm-type manual valve PN16 ~ PN40 Material Type Material Body Parts stem seal surface packing Q341F-16C WCB 2Cr13 304 316 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti PTFE and enhance PTFE PTFE Q341F-25 Q341F-40 Q341Y-16C metal surfacing cobalt-based flexible graphite Q341Y-25 Q341Y-40 Q341F-16P CF8 304 PTFE, reinforced PTFE PTFE Q341F-25P Q341F-40P Q341Y-16P cobalt-based metal welding Flexible graphite Q341Y-25P Q341Y-40P Q341F-16R CF8M 316 PTFE, reinforced PTFE PTFE Q341F-25R Q341F-40R Q341Y-16R metal surfacing cobalt-based flexible graphite Q341Y-25R Q341Y-40R product shape and structure size: Q341Y, Q341F type manual valve PN16 worm shape and structure size (mm) DN LDH Weight / kg 125 320 245 542 110 150 360 280 572 130 200 457 335 638 200 250 533 405 828 245 300 610 460 948 500 Q341Y, Q341F type manual valve PN25 worm shape and structure size (mm) DN LDH Weight / kg 100 305 230 528 90 125 381 270 547 130 150 403 300 592 170 200 419 360 791 250 250 568 425 926 385 300 648 485 948 625 Q341Y, Q341F worm gear type manual valve PN40 shape and structural dimensions (mm) DN LDH Weight / kg 100 305 230 528 95 125 381 270 547 135 150 403 300 592 175 200 419 375 791 265 250 568 445 926 524 300 648 510 948 665 Ball Installation Notes: 1. Installation Care must be taken, should not impact the valve. 2. Before installation, you should make a check valve, check the specifications, identify damage, especially for stem. Also a few turns to see if skewed, because the transport process, most likely to hit the crooked stem. Also clear the debris inside the valve. 3. When lifting the ball, not the rope tied to the hand wheel or the valve stem to prevent damage to these components, you should tie in the body. 4. For the connected line ball valve must be cleaned. Available compressed air to remove iron oxide dust, mud and sand, welding slag, and other debris. These sorts of things, not only easy to scratch the sealing surface of the ball valve, where large particles of debris (such as welding slag), also blocked a small valve to fail. 5. Install to leave when the valve handle rotated position. 6. throttle valve can not be used. 7. Ball belt drive mechanism should be installed upright.