A-T Controls Triac F8R Series

A-T Controls Triac F8R Series Fire-Safe 3-Piece Manual & Automated Ball Valves

A-T Controls Triac F8R Series 3-Piece Ball Valves are the finest quality 3-piece valves on the market. The high quality investment castings feature a fully machined bore. The superior live-loaded packing system is accomplished with Belleville washers, “V” ring packing and a unique primary pyramidal stem seal – see drawing below. This advanced sealing system provides for protection against stem leaks experienced by ordinary ball valves.

AT-Controls Triac Pyramidal Stem Seal

Fire-Safe 3-Piece Manual Ball Valve Features:

  • Regular Port 1500/2000 psi WOG (by size)
  • Stainless or Carbon Steel Body
  • Threaded, Socket Weld or Butt Weld
  • Sizes 1/4″ – 2-1/2″
  • Belleville Washers, Double Chevron Packing, RTFE Seats Standard

50/50 Seats Optional for High Temps

Reinforced TFE seats are standard, but various options are available for seat materials. The 50/50 seat option is excellent for services that call for higher temperatures and more difficult applications including steam.

A-T Controls Triac F8R Series High Performance 3-Piece Automated Ball Valves

  • Pneumatic Spring Return Actuator
  • Double Acting Actuator
  • Electric Actuator

Manual Ball Valve Part Number Matrix

HOW TO ORDER MANUAL VALVES   (ie. ATC-F – 88 C – TH – 0150 – XXX)
1 – 2 3 – 4 – 5 – 6 7 8 9
↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
ATC-F – 88 C – TH – 0150 – X X X


1  Prefix

4  End Connection
ATC-F Fire Safe Tested TH NPT Ends
ATC-F (on 31 Series) Graphite Packing & Seals SW Socket Weld Ends
ATC-T (on 31 Series) TFM Packing & Seals BW Butt Weld Ends
ATC-NS NSF 61 & 372 Certified Series EW Extended Butt Weld Ends
F1 150# Flanged Ends

2  Valve Series

 F3 300# Flanged Ends
10 1pc. Regular Port 2000 WOG F6 600# Flanged Ends
20 2pc. Full Port 1000 WOG FR 600# RTJ Flanged Ends
21 2pc. Regular Port 2000/1500 WOG SA Sanitary Clamp Ends
22 2pc. Direct Mount 1000 WOG, Full Port SF Sanitary Clamp Ends w/ Cavity Filler
23 2pc. 3600 WOG, Seal-Welded DA Tube O.D. Ends
24 2pc. 3000 WOG DF Tube O.D. Ends w/ Cavity Filler
26 2pc. 6000 WOG, Seal-Welded DS Sanitary Clamp x Tube O.D. Ends
30 3-Way Flanged, Full Port TE NPT x Extended Butt Weld
31 3-Way Flanged, Direct Mount, Full Port TS NPT x Socket Weld
33 3, 4, 5-Way Full Port, Multiport MF Male NPT x Female NPT
38 3-Way NPT, Regular Port QQ Tube Socket Weld
55 3pc. 1000/800 WOG, Full Port W1 150# Wafer
77 3pc. 1000/800 WOG, Full Port, Sanitary W3 300# Wafer
HP 3pc. Forged High Purity W6 600# Wafer
H78 3pc. Cast High Purity, Encapsulated Bolts
83 3pc. 2000/1500 WOG, Full Port

5  Valve Size
8R 3pc. 2000/1500 WOG, Regular Port 0025 1/4″
88 3pc. Direct Mount 2000/1500/1000 WOG, Full Port 0038 3/8″
R8 3pc. Direct Mount 2000/1500 WOG, Regular Port 0050 1/2″
90 2pc. Flanged Full Port (Investment Cast) 0075 3/4″
91 Unibody Regular Port Flanged 0100 1″
93 2pc. Flanged Full Port (Sand Cast) 0125 1-1/4″
V7 3pc. Sanitary, V-Port 0150 1-1/2″
V8 3pc. V-Port 0200 2″
V9 Flanged V-Port 0250 2-1/2″
D9 Direct Mount Flanged 0300 3″
T5 Tank Bottom 3pc. 0400 4″
C8 Cryogenic 3pc. Full Port 0600 6″
CR Cryogenic 3pc. Regular Port 0800 8″
DR 3-Way Bottom Entry Diverter Valve 1000 10″
LB PFA Lined Split Body Flanged Ball Valve 1200 12″
P1 Schedule 10 Piggable Valve
MU Metal Seat Unidirectional Shutoff, Floating Ball

6  Seat, Lining & Trim Materials
MB Metal Seat Bidirectional Shutoff, Floating Ball X Reinforced TFE Seats (RTFE)
MS Metal Seat Scraper Seat Design P Virgin TFE (PTFE)
MX Metal Seat 3 pc. Bidirectional, Floating Ball U UHMWPE Seats
M3 3-Way Metal Seat D Delrin®
VS Segment V-Port, Soft S 50/50 STFE Seats
VM Segment V-Port, Metal Graphite Packing C 25% CS Powder/ 75% TFE Seats (CTFE)
VV Segment V-Port, Metal Viton® Packing T TFM™-1600
WB Block and Bleed Isolation Valve, 2000 WOG F TFE Cavity Filler
W6 Block and Bleed Isolation Valve, 6000 WOG K PCTFE (Cryogenic)
L PFA Lined w/ PTFE Seats

3  Body Material

 M MG1241
Blank No Designation=SST Body and Trim Z PEEK
A Alloy 20 2 Tungsten Carbide Coated 316 SST Seats & Ball
C Carbon Steel Body 3 HCr Coated Ball/Stellite® Inlay Seats
L Low Carbon 316L Stainless Steel 4 Chrome Carbide Coated 316 SST Seats & Ball
J Low Carbon 304 Stainless Steel 8 Inconel® 718+CrC
H Carbon Body /Hastelloy Ball & Stem
Q Carbon Steel Body/Monel Ball & Stem

7  Special Designation
R 316 SST Body/Monel Ball & Stem X No Specials | Series Standard
T Hastelloy C-276 Body & Trim G Gear Operator
E Electropolished Stainless Steel L Lockable Handle (HP Series)
Z Epoxy Coated Carbon Steel R Regular Port Valve
D CD3MN Duplex SST O Oval Handle (Available on Some)
G CE3MN Super Duplex SST S Spring Return Handle (Direct Mount Only)
2 F316L (SF4) Electropolished Forged
3 CF3M (SF4) Electropolished Cast
4 F316H Forged
5 LCB
8 LCC
6 WC6
9 WC9

8  Additional Specials

9  Special Designation
X No Specials | Series Standard Blank No Designation, SST Stem
O Oxygen Cleaned 3 30° V-Port (V-ball)
Z Special End Configuration 6 60° V-Port (V-ball)
V Vented Ball 9 90° V-Port (V-ball)
E Bonnet Extension Lockable Handle A A 17-4 PH® Stem
F Fugitive Emissions Bonnet B XM-19 (Nitronic 50) Stem
D Degreased & Bagged C Duplex 2205 Stem
D Inconel® 718 Stem
L L-Port 3-Way Arrangement
T T-Port 3-Way Arrangement
K FFKM O-Ring (31 Series)
X No Specials, Standard (HP/H78 Series)
S Anti-Static Option (HP/H78 Series)

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A-T Controls Triac Valves Product Overview

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A-T Controls Triac F8R Fire-Safe Series Ball Valves

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