Model 425 is a premium, single-stage, industrial regulator that is an ideal choice for most industrial applications. This regulator incorporates a number of Harris features designed to make it a rugged, long-lasting performer, including an exclusive tamper-proof, self-reseating internal HP safety valve and a neoprene diaphragm. The 425 is also available in a multitude of pressure ranges and for all standard industry gases.
Adjusting Screw | Brass "T" screw |
Body | Brass |
Bonnet | Brass |
Certification |
CGA E-4 UL® listed |
Cv | 0.17 |
Delivery Pressure Gauge (PSIG) | 200 |
Delivery Pressure Range (PSIG) | 0 - 125 |
Diaphragm | Neoprene |
Duty | Heavy |
Equipped With | Tamper proof, self-reseating, internal high-pressure safety valve |
Gas / Gas Service |
Hydrogen Methane |
Gauges | 2.5" Brass dual scale (psi/kPa) |
Inlet Connection | CGA 350 |
Maximum Inlet Pressure (PSIG) | 3000 |
Recommended Items/Accessories |
Steel Gauge Guard - Red (Fuel) - PN 4300238 Steel Gauge Guard - Green (Oxygen) - PN 4300239 Adapter - 9/16? ? 18 (F) x 5/8" ? 18 (F) PN 90000002 |
Seat | PTFE Teflon® |
Supply Pressure Gauge (PSIG) | 4000 |
Outlet Connection | 9/16" - 18 LH |
Pressure Regulation PSIG/100 PSIG | 0.20 |
Warranty | 7 Years |
We ship all orders to the Lower 48 States for FREE. This will be shipped via the most economical method for us. Free Shipping does not apply to HI, AK, PR and international orders.
All payments are made through and handled by eBay.
We accept PayPal, American Express, Discover Card, Visa, Master Card, Google Pay and Apple Pay.
Checks, money orders and bank wire transfers aren't allowed by eBay for purchases.
Returns are Fast and Easy. We accept returns within 30 days of when your order is delivered.Go to your order on ebay.com and click on "Request Return".*To be eligible for a return the items must meet the following criteria:
Your item must be unused and in the same condition that you received it.
Your item must be in the original packaging.
Your item needs to have the receipt or proof of purchase.
We are a family owned business and have been serving the welding industry since 1980. We are currently located right off Route 63 exit on I75 between Dayton and Cincinnati in Monroe Ohio.
Call our shop and talk with a live person, someone who can help you with problems or technical questions. Our office is open from 8am to 5pm Monday through Friday. We pride ourselves in SERVICE AFTER THE SALE.