API 602 Globe Valve

QS Valve: Putian API 602 Globe Valve

Forged steel globe valve to API 602, 1/2 to 2 inch and 150LB to 2500LB, with a bolted bonnet and renewable seat for high pressure utility lines.

Quantity

Contact Now

add to cart

One-Minute Overview

Forged steel globe valve to API 602 for small bore, high pressure service.
Sizes 1/2 to 2 inch, pressure classes 150LB to 2500LB.
Bolted bonnet and renewable seat make packing and seat maintenance straightforward.
Used on steam, boiler feed, oil, gas and instrument lines that need throttling.

An API 602 globe valve is a small forged steel valve that starts, stops and throttles flow. The disc moves down onto a ring seat, so the flow path bends through the body: that costs a little pressure drop, but it gives fine control and a positive shut-off. Forging keeps the body dense and tough at the high pressures where a cast body would be risky. Sizes run from 1/2 to 2 inch and classes from 150LB to 2500LB.

Name: API 602 Globe Valve
Type: Globe Valve
Size: 1/2-2 Inch
Class: 150LB-2500LB
Material: Forged Carbon Steel, Stainless Steel
Standard: API 602
Connection: Flanged, Threaded or Butt Weld
Feature: Bolted Bonnet, Renewable Seat

Choosing one is mostly about bonnet, connection and trim. A bolted bonnet lets the internals come out for inspection without cutting the valve out of the line, which matters on steam and boiler feed where packing and seat wear are routine. Flanged ends are the default at equipment nozzles, threaded ends save space on instrument and utility branches, and butt weld ends suit high pressure steam lines that stay welded. Inside, a stellite faced disc and seat resist wire drawing when the valve spends its life throttling.

Installation is about direction and support. Most globe valves mark the flow direction on the body, and the stem should end up vertical or horizontal enough that the packing stays accessible. Do not use the valve to absorb pipe strain, and warm steam lines up slowly so the bonnet joint sees even expansion. Repack the stuffing box when the stem starts to weep, and lap or replace the seat ring when shut-off softens. Size, pressure class and connection are confirmed per inquiry, and a detailed specification sheet is available on request.

FAQ

Q1. What does the API 602 standard actually cover on this valve?

API 602 covers dimensions, wall thickness, pressure-temperature ratings and testing of small forged steel gate, globe and check valves in the 1/2 to 2 inch range. Following it means the valve interchanges with other API 602 patterns on the same flanges and takes the same spare parts.

Q2. Why pick a forged body instead of a cast one?

Forging gives the body a fine grain and fewer hidden voids, which is what you want when the class runs up to 2500LB. Cast bodies are fine for lower pressure utilities, but on high pressure steam and boiler feed the forged body is the safer default and it weighs less too.

Q3. Can this valve throttle, or is it just an on-off valve?

It can throttle, and honestly that is what a globe valve is for. The disc sits close to the seat, so control is fine and predictable. Just remember that holding a valve cracked open for years will chew the seat - if you really want regulation, look at a cage trim or a dedicated control valve.

Q4. What's the minimum order for these globe valves?

Standard flange insulation gasket kits start at one set, and standard gaskets, studs, washers and sleeves start at one piece. Kits made to your drawing or for a non-standard bolt pattern are quoted individually, because the minimum really depends on the material and the tooling involved.

Send Message