Gastite

Gastite is a CSST (corrugated stainless steel tubing) manufacturer, a division of Titeflex Corp., headquartered in Portland, TN. Recognized as a CSST material manufacturer since 1988. Three system lines: FlashShield (metallically shielded), FlashShield+ (Arc-Trap no-bond), and standard Gastite CSST. CSST installs 30–70% faster than rigid pipe and uses ~75% fewer fittings per average residential installation. SupplyHouse.com stocks 125+ Gastite SKUs.

Product Lines

Gastite FlashShield CSST

ASTM A240 Type 304 SS, 0.010" min wall. Dual-layer semi-conductive jacket with integrated metallic shield. 25 psi working pressure, -40°F to 160°F operating range, 2,400°F tube temp rating. ANSI LC 1, CSA 6.26, ICC-ES PMG LC1024/LC1027, IAPMO. Sizes: 1/2"–2". Selected SKUs: FSP-8-25-5 (1/2"x25'), FSP-8-50 (1/2"x50'), FSP-8-250 (1/2"x250'), FSP-8-1000 (1/2"x1000'), FSP-11-50 (3/4"x50'), FSP-11-125 (3/4"x125'), FSP-11-500 (3/4"x500'), FSP-16-75 (1"x75'), FSP-20-75 (1-1/4"x75'), FSP-24-75 (1-1/2"x75'), FSP-32-50 (2"x50').

Gastite FlashShield+ CSST

Enhanced FlashShield with Arc-Trap technology in XR3 fittings — conducts lightning and household fault current to ground, eliminating manufacturer direct-bonding requirement in most jurisdictions. 30–70% faster installation than rigid pipe. 75% fewer fittings per average residential installation. Pre-marked by the foot. 250 ft of 1/2" CSST weighs ~50 lbs.

Gastite Standard CSST System

Yellow PE jacket, no metallic shield. Same 304 SS tubing, 0.010" min wall. ANSI LC 1, CSA 6.26. Available 3/8"–2". Same XR3 fittings as FlashShield.

Gastite XR3 Fittings

SAE CA360 brass, double-wall flare seal, no O-rings/gaskets/split rings, metal-to-metal seat, Jacket-Lock, reusable, tool-less. Compatible with all three Gastite CSST systems. Types: XR3FTG (straight MNPT), XR3FTGFM (straight FNPT), XR3TRM (termination w/ flange), XR3T (tee, multiple combos), XR3CPL (coupling), XR3REDFTG (reducing), XR3-APSTUB (appliance stub-out), XR3OUTLETBOX (gas outlet box), XR3OUTLETBOX-FR8 (recessed firestop). Sizes 1/2"–2".

Manifolds and Tools

Cast manifolds: 3-PORTMAN, 4-PORTMAN, 5-PORTMAN, GLC1 Gas Load Center. Tools: STRP4-8-11/STRP4-16-20 (stripping), GTCUTTER-SM2/LG2 (cutting), CHTOOL-8-16 through CHTOOL-32 (chamfering). Steel conduit: LFLOPPY-16 (per ft, 1"), FLOPPY16-1 (50 ft coil).

Gastite PE Underground Gas Pipe

Yellow PE 2708. ASTM D2513, NSF-listed, CSA B137.4. Con-Stab I.D. Seal fittings and anodeless risers. 1/2" CTS SDR-7 and 3/4"–2" IPS SDR-11. SKU: PE-8-250 (1/2" CTS x 250 ft).

Why Contractors Specify Gastite

30–70% faster than rigid pipe; ~75% fewer fittings reduce callbacks. FlashShield metallic jacket meets arc-fault/lightning code without field bonding jumpers. FlashShield+ Arc-Trap fittings eliminate bonding requirement entirely. XR3 fittings: tool-less, no O-rings, reusable. Gastite eTraining (GET) online cert: ~1 hr, free, valid 3 years, satisfies purchase/install cert requirement in most jurisdictions.

How to Choose a Gastite Product

First: determine which system the local AHJ requires — FlashShield, FlashShield+, or standard CSST. Then size the tubing to the gas load using the Gastite sizing calculator or printed guide. Available 1/2"–2". Select coil length to cover the job footage. Installer certification required in most jurisdictions — complete GET online training at getgastite.com before ordering.

FAQs

Who makes Gastite?
Gastite is a division of Titeflex Corp., 1116 Vaughn Parkway, Portland, TN 37148. CSST material manufacturer since 1988.

FlashShield vs. standard Gastite CSST?
FlashShield has an integrated metallic shield layer that provides arc-fault/lightning protection without field bonding jumpers. Standard Gastite has a yellow PE jacket without metallic shielding. Most US jurisdictions require shielded CSST or direct bonding on non-shielded CSST.

What does FlashShield+ add over FlashShield?
Arc-Trap technology in XR3 fittings conducts both high-voltage lightning and household fault current to ground, eliminating the manufacturer's direct-bonding requirement in most jurisdictions.

FlashShield certifications?
ANSI LC 1, CSA 6.26, ICC-ES PMG LC1024/LC1027. Listed: CSA, ICC, IAPMO. Approved: natural gas and LP gas.

Is installer certification required?
Most jurisdictions require certification to purchase and install FlashShield. Gastite eTraining (GET): free, ~1 hr, self-paced, 3-year validity. In-person training also available through authorized distributors.

What sizes does FlashShield come in?
1/2", 3/4", 1", 1-1/4", 1-1/2", 2". Coils from 25 ft to 1,500 ft depending on size. Use Gastite sizing calculator for correct size selection.