Piston Seals — SPGW Piston Seal for Hydraulic Cylinder

SPGW Piston Seal for Hydraulic Cylinder

Inch SPGW Piston Seal Hydraulic provides reliable bidirectional sealing for hydraulic cylinders, helping reduce leakage, lower friction, and improve operating stability in demanding industrial and mobile machinery applications.

Technical Specifications
Inner Diameter
Inch sizes available; see specification table
Material
PTFE + Bronze + NBR
Maximum Speed
1 m/s
Temperature Range
-50°C to +200°C
Seal Brands: JSPGW
50 pcs
Min Order Qty
5–7 days for a small order
Delivery Time
1000 sets per week
Supply Capacity
ISO 9001 Certified
Quality Inspected
Global Shipping
T/T · PayPal · WU

Overview

The Inch SPGW Piston Seal Hydraulic is designed for double-acting hydraulic cylinders requiring stable sealing in both movement directions. Its symmetrical structure helps maintain consistent sealing performance, reduce internal leakage, and support smooth hydraulic operation in high-load industrial and mobile equipment.

This seal is widely used in hydraulic systems for construction equipment, agricultural machinery, mining machinery, marine equipment, and oil & gas applications. With low friction, strong wear resistance, and reliable dynamic sealing capability, it is a practical choice for demanding cylinder applications.

Solution

For hydraulic cylinders facing leakage, friction, and unstable piston movement, the Inch SPGW Piston Seal Hydraulic offers a dependable sealing solution. Its double-acting design supports pressure from both directions, helping improve cylinder efficiency, extend service life, and reduce maintenance frequency in heavy-duty hydraulic applications.

Key Features

  • Symmetric bidirectional pressure seal
  • Bronze reinforced PTFE ring
  • Continuous NBR elastic energizer
  • Withstand 300+ bar high pressure
  • Self-lubricate all working conditions
  • Universal inch piston standard

Compatible Equipment Models

TYPE D1 d1 L1 ORDER SIZE
JSPGW 3 2.522 0.579 3*2.522*0.579
JSPGW 3-1/4 2.772 0.579 3-1/4*2.772*0.579
JSPGW 3-1/2 3.02 0.579 3-1/2*3.02*0.579
JSPGW 4 3.522 0.579 4*3.522*0.579
JSPGW 4-1/2 4.02 0.579 4-1/2*4.02*0.579
JSPGW 4-1/4 3.772 0.579 4-1/4*3.722*0.579
JSPGW 4-3/4 4.27 0.579 4-3/4*4.27*0.579
JSPGW 5 4.522 0.579 5*4.422*0.579

* All manufacturer's names, part numbers, and descriptions are used for reference purposes only. We do not imply that any part shown is the product of these manufacturers.

Shipping Information

We ship worldwide via DHL, FedEx, UPS, TNT, and EMS for small orders, and by sea freight for bulk orders. Standard delivery time is 5–7 working days for small orders and 15–30 days for sea freight.

All products are carefully packaged in neutral packaging with foam protection to prevent damage during transit. Custom packaging with your branding is available for OEM orders.

Payment Terms

We accept multiple payment methods for your convenience. For new customers, we typically require 100% advance payment for small orders. For established partnerships, we offer flexible terms including 30% deposit with balance before shipping.

Accepted Payment Methods

  • T/T (Bank Transfer)
  • Western Union
  • MoneyGram
  • PayPal

Supported File Formats

  • PDF, DWG, DXF, STEP, X_T, IGS, STP

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