**Product Information:**
- **Model No.:** Z40H
- **Material:** Stainless Steel
- **Pressure Rating:** Ordinary Temperature (Standard)
- **Seal Type:** Wedge Gate Valve
- **Usage:** Flow Regulation
- **Application:** Suitable for Industrial, Water Treatment, and Household Use
- **Delivery Terms:** Varies Based on Order Quantity
- **Certifications:** API 6D, CE, ISO, TS
- **Packaging:** Wooden Crate
- **Origin:** Wenzhou, China
- **Type:** Straight-through
- **Connection Style:** Flanged
- **Actuation:** Manual
- **Valve Stem Thread Position:** External
- **Standards:** DIN
- **Packaging Details:** Wooden or as per Customer Requirements
- **OEM Available:** Yes
- **Brand:** JIEYU
- **Specification:** 1
- **HS Code:** 8481.80.40.90
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**DIN 3325 Stainless Steel Rising Stem Gate Valve**
**Specifications:**
- **Size:** DN15 to DN1200
- **Model:** Z40H
- **Pressure Rating:** PN16 to PN250
- **Material Options:** 1.0619/GP240GH/GS-C25(WCB), 1.7357 (WC6), 1.7379/1.7382 (WC9), 1.7363 (C5), 1.7389 (C12), 1.4308 (CF8), 1.4408 (CF8M), 1.4552 (CF8C), and more.
**Design Type:**
Rising Stem with Wedge Single Disc – available in solid or flexible wedge configurations, with flat gate design.
**Operation Method:**
Manual operation via handwheel, gear worm, or electric actuator.
**Standards Compliance:**
- **Design & Manufacturing:** GB/T 12234, DIN 3352, GOST 12820-80
- **Face-to-Face Dimension:** GB/T 12221, DIN 3202
- **End Connection:** JB/T 79, DIN 2543–2550, GOST 12820-80
- **Testing Standards:** ISO 5208, API 600, BS 6755
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**Product Images:**
[Image of DIN 3325 Stainless Steel Rising Stem Gate Valve]
[Image of the same product from a different angle]
[Production flow diagram showing manufacturing steps]
[Packaging images including wooden crates and custom packaging options]
**Component Breakdown:**
| NO. | Part Name | Material Options 1 | Material Options 2 |
|-----|---------------|----------------------------|------------------------------|
| 01 | Body | ASTM A216 WCB | GS-C25, CF8, CF8M |
| 02 | Seat Ring | ASTM A216 + 13Cr | — |
| 03 | Wedge | ASTM A216 + 13Cr | — |
| 04 | Stem | ASTM A276 420 | 13Cr, F304, F316 |
| 05 | Gasket | 304 + Graphite | GS-C25, CF8, CF8M |
| 06 | Bonnet | ASTM A216 WCB | — |
| 07 | Stud | ASTM A193 B7 | ASTM A193-B8 |
| 08 | Nut | ASTM A194 2H | ASTM A194-8 |
| 09 | Backseat | ASTM A216 + 13Cr | — |
| 10 | Stud | ASTM A193 B7 | — |
| 11 | Nut | ASTM A194 2H | — |
| 12 | Yoke | ASTM A216 WCB | — |
| 13 | Packing | Graphite | — |
| 14 | Pin | ASTM A276 410 | C.S, SS304, SS316 |
| 15 | Gland Bolt | ASTM A193 B7 | — |
| 16 | Gland Nut | ASTM A194 2H | — |
| 17 | Bushing | ASTM A276 410 | — |
| 18 | Gland | ASTM A216 WCB | — |
| 19 | Bearing | ASTM A29 | A105, F304, F316 |
| 20 | Stem Nut | ZCuAl10Fe3 Bronze | Bronze, SS304, SS316 |
| 21 | Lubricator | Cu | Brass |
| 22 | Retaining Nut | C.S | — |
| 23 | Handwheel | ASTM A47 | A105, F304, F316 |
| 24 | H.W. Lock Nut | C.S | 25#, SS304, SS316 |
This gate valve is designed for high performance and durability in industrial environments. It meets international standards and is suitable for various applications, including water treatment, chemical processing, and general industrial use. The stainless steel construction ensures long-lasting service under demanding conditions.
Cylinder
Excavator cylinder: The hydraulic cylinder is a linear actuator whose output force is proportional to the effective area of the piston and the pressure difference between both sides. â€Its function is to convert hydraulic energy into mechanical energy. The input of the hydraulic cylinder is the flow and pressure of the fluid, and the output is the linear motion speed and force. The piston of the hydraulic cylinder can complete linear reciprocating motion, and the output linear displacement is limited. The hydraulic cylinder is an energy conversion device that converts hydraulic energy into mechanical energy for reciprocating linear motion. The hydraulic cylinder is basically composed of a cylinder tube and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device.
Cylinder maintenance method:
One. The hydraulic oil should be replaced regularly during the use of the cylinder, and the system filter should be cleaned to ensure cleanliness and prolong its service life.
two. Each time the oil cylinder is used, it needs to be fully extended and retracted for 5 strokes and then run with load. Doing so can exhaust the air in the system and preheat the systems, which can effectively avoid the presence of air or water in the system and cause gas explosion (or scorch) in the cylinder body, which will damage the seals and cause leakage in the cylinder. Wait for failure.
three. Control the system temperature. Excessive oil temperature will reduce the service life of the seal. Long-term high oil temperature will cause permanent deformation of the seal or even complete failure.
four. Protect the outer surface of the piston rod to prevent bumps and scratches from damaging the seals. Frequently clean up the mud and sand on the dust ring of the cylinder dynamic seal and the exposed piston rod to prevent difficult-to-clean dirt sticking to the surface of the piston rod Into the inside of the cylinder, damage the piston, cylinder or seal.
Fives. Check the connections of the threads and bolts frequently, and tighten them immediately if they are loose.
six. Frequently lubricate the connecting parts to prevent corrosion or abnormal wear in the absence of oil.
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