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PISTON & CYLINDER SET Relay Valve YHC-0438 BE311198 BE312445 Picanol OMP800 Loom Spare Part YHC-0487

Place of Origin: Shanghai, China
Brand Name: Y&H China
Certification: Good Quality
Model Number: OMP800
Product Details
Place of Origin:
Shanghai, China
Brand Name:
Y&H China
Certification:
Good Quality
Model Number:
OMP800
Minimum Order Quantity:
2 Pieces
Price:
Request a Quote
Standard Packaging:
Neutral export carton with anti-shock foam; private-label packaging available
Delivery Time:
5 working days for stock items
Payment Terms:
L/C, D/A, D/P, T/T
Specifications
Model:
OMP800
Item Code:
YHC-0487
Original Code:
BE311198 / BE312445
Product Type:
Piston & Cylinder Set For Relay Valve
Fits:
Relay Valve YHC-0438
Use:
Picanol OMP800 (Omni Plus 800) Air Jet Looms
HS Code:
8448499000
Brand Name:
Y&H China
Warranty:
Case-by-case
Shipping:
Express (DHL/FedEx/UPS) / Sea Freight / Air Freight
Key Markets:
Southeast Asia, Central Asia, South America, North America, Europe
Service:
24-Hour Online Service
Video Outgoing-Inspection:
Provided
Product Description

Product Overview

This piston and cylinder set is a direct replacement part for the relay valve YHC-0438 fitted on Picanol OMP800 (Omni Plus 800) air jet looms. Original part number BE311198 / BE312445, our item code YHC-0487.

The set includes piston and cylinder as one matched unit, restoring reliable pneumatic switching of the relay valve and stable air pressure control for the weft insertion system over long production runs.

Applications & Compatibility

Widely used in weaving mills, loom repair workshops and spare-parts distributors for Picanol loom maintenance and worn-part replacement projects.

  • Compatible with: Picanol OMP800 (Omni Plus 800) air jet looms
  • Fits: Relay Valve YHC-0438
  • Original part number: BE311198 / BE312445
  • Our item code: YHC-0487
  • Function: piston and cylinder set for relay valve

Please confirm your loom model or original part number with our sales team before ordering, so we can double-check compatibility.

Quality Standard

  • Manufactured to OEM-equivalent tolerance for direct drop-in installation, no extra modification required.
  • Precision machined piston and cylinder bore keep air sealing and switching response consistent.
  • Wear-resistant sealing surface for extended service life under high-cycle pneumatic operation.
  • Industrial-grade raw material selected for high-vibration, continuous-running weaving environment.
  • Video outgoing inspection can be provided on request before shipment.
  • Warranty covers manufacturing defects (case-by-case evaluation). Damage caused by improper installation is excluded.

Loom spare part quality inspection and stability test

Specifications

ProductPiston & Cylinder Set for Relay Valve
Original Part NumberBE311198 / BE312445
Item CodeYHC-0487
ModelOMP800
FitsRelay Valve YHC-0438
LoomPicanol OMP800 (Omni Plus 800)
HS Code8448499000
Place of OriginShanghai, China

Order & Shipping Information

  • Minimum order quantity: starting from 2 pieces.
  • Sample order is acceptable for quality evaluation.
  • Stock items ship within 5 working days after payment confirmation.
  • Neutral export packaging by default; private-label and custom packaging service available.
  • Shipping option: DHL / FedEx / UPS express, air freight, sea freight.
  • Complete export documents including commercial invoice and packing list will be supplied.
  • We ship worldwide to textile markets across Southeast Asia, Central Asia, South America, North America and Europe.

Loom spare part export packing and shipping

Frequently Asked Questions

Q1: Is this piston and cylinder set fully compatible with my relay valve?
Please confirm your original OEM part number (for example BE311198 or BE312445) or the relay valve code YHC-0438, and we will verify compatibility before you order.

Q2: Is the piston supplied together with the cylinder?
Yes, this item is supplied as a matched piston and cylinder set.

Q3: Can I order samples first?
Yes, sample orders are supported for quality checking before bulk purchase.

Q4: Do you support neutral or private-label packing?
Neutral packaging is standard. Custom private-label packaging is available on request.

Q5: What about the warranty?
Warranty is offered against manufacturing defects, evaluated case by case. Damage caused by wrong installation is not covered.

Send your inquiry directly to us