1-805-484-2992
Quotes - Engineering - Sales
GHTN High-Temperature Compressed Air Filters
| PRODUCT | GRADE | FLOW | RATING |
|---|---|---|---|
| High-Temperature Filter | M1, 1 micron | 15 to 1,600 SCFM | 150 psig / 450°F |
Specifications
Configuration & Size
Housings:
0015, 0030, 0065, 0075, 0150, 0300, 0450, 0650, 1000, 1250, 1600
Connections:
1/4 in NPT to 3 in NPT
Element:
GEHT (size) M1, push-fit with dual o-rings
Drain:
Manual ball valve on every size
Features
- Media formulated for hot air; no glass-filled nylon end caps or adhesives that creep above 150°F
- Machined and die-cast aluminum housing with a polyester powder coat that holds up at 450°F
- Element pushes in with a dual o-ring seal, so the seal does not depend on a spring-loaded bowl at temperature
- Outside-to-inside flow: the dirt stays on the outer face and the element pulls out without shedding it
Built for the hot side of the compressor
Where a standard filter softens, blinds or lets go
The GHTN Series is the filter for air that is still hot. A reciprocating compressor with no aftercooler discharges at 180 to 200°F, and an ordinary coalescing filter with nylon end caps and glass media bonded for 150°F service does not survive there. The GHTN housing and its 1 micron M1 element are built for 450°F, so the filter can sit directly on the compressor discharge or at the inlet of a high-inlet-temperature refrigerated dryer, catching rust, carbon and piston-ring debris before they reach the dryer exchanger. Eleven housings cover 15 to 1,600 SCFM on 1/4 in through 3 in NPT, with a clean pressure drop of about 1.2 psid.
A 1 micron particulate stage, on purpose. Only the M1 grade is offered: at 180°F and up nothing condenses in the bowl, so a coalescer would sit idle; Rust and scale from the discharge pipe and carbon from the piston rings are what foul a dryer exchanger; Manual ball-valve drain clears the little liquid that collects at start-up or after a shutdown; Change the element at 5 psid on the gauge, or on the 12 month schedule if the gauge never gets there.
Matched to the high-inlet-temperature dryers. A 50 SCFM high-temperature dryer takes GHTN 0065 M1 on 1/2 in NPT; a 100 SCFM unit takes the 0150 on 1 in; Sized for the 25 to 125 SCFM high-inlet-temperature dryers and for the 180 to 200°F air they accept; Where the dryer is a standard 120°F-inlet unit behind an aftercooler, use a GFN or NGF prefilter instead.
GHTN High-Temperature Filters Part Numbers
| Part Number | SCFM | Connection | Grade | Element |
|---|---|---|---|---|
| GHTN 0015 M1 | 15 | 1/4 in NPT | M1 | GEHT 0015 M1 |
| GHTN 0030 M1 | 30 | 3/8 in NPT | M1 | GEHT 0030 M1 |
| GHTN 0065 M1 | 65 | 1/2 in NPT | M1 | GEHT 0065 M1 |
| GHTN 0075 M1 | 75 | 3/4 in NPT | M1 | GEHT 0075 M1 |
| GHTN 0150 M1 | 150 | 1 in NPT | M1 | GEHT 0150 M1 |
| GHTN 0300 M1 | 300 | 1-1/2 in NPT | M1 | GEHT 0300 M1 |
| GHTN 0450 M1 | 450 | 2 in NPT | M1 | GEHT 0450 M1 |
| GHTN 0650 M1 | 650 | 2 in NPT | M1 | GEHT 0650 M1 |
| GHTN 1000 M1 | 1,000 | 3 in NPT | M1 | GEHT 1000 M1 |
| GHTN 1250 M1 | 1,250 | 3 in NPT | M1 | GEHT 1250 M1 |
| GHTN 1600 M1 | 1,600 | 3 in NPT | M1 | GEHT 1600 M1 |
Flows are at 100 psig inlet; every housing carries the 1 micron GEHT element of the same size code, and the earlier NHT numbering for the same housings and EHT elements cross-references directly.
GHTN High-Temperature Filters Applications
Dimensions and mounting
In-line ports, bowl down, a ball valve at the bottom and hot pipe on both sides.
Mount the housing upright with the ports in line and the bowl below, as close to the compressor discharge as the pipe allows and ahead of the dryer inlet. The flow arrow on the head must point toward the dryer. Allow room under the bowl for the bowl plus the element length so the element can be pulled straight down, and allow room for a hand on the ball valve; on the 1000 to 1600 sizes on 3 in pipe the bowl is long and the pipe should be supported on both sides of the head.
Everything here runs hot. Keep the housing away from cables and hoses, and pipe the ball-valve drain to a floor drain with metal tube, not plastic. Because the design pressure is 150 psig, the filter belongs on 125 psig single-stage systems as built; on a 175 psig two-stage machine it goes downstream of the receiver regulator, with the dryer behind it.
Confirm the housing height, port size and working pressure with the quote; the drawing above shows one threaded housing and the larger sizes scale from it.
Common FAQs
15 to 1,600 SCFM
- Housings: 0015, 0030, 0065, 0075, 0150, 0300, 0450, 0650, 1000, 1250, 1600
- Connections: 1/4 in NPT to 3 in NPT
- Element: GEHT (size) M1, push-fit with dual o-rings
- Drain: Manual ball valve on every size
- Temperature: 35 to 450°F
- Design pressure: 0 to 150 psig
- Clean pressure drop: About 1.2 psid at rated flow
- Element change: 5 psid, or 12 months / 4,000 hours
- Testing: ISO 12500; built under ISO 9001
