Rua do Progresso, lote 15 • Vilarinho das Cambas • V. N. Famalicão
+351 252 303 210

DTR Series

DTR Series


Pressure ratings
CL300/400/600 (750/1000/1500 psi)
Temperature range
-46ºC to 240ºC (-50°F to 464°F)
Size range
CL300: 4″ | CL400: 2½” – 3″ | CL600: ⅜” – 2″
Body style
Three Piece Bolted | Full/Reduced Bore
End connections
Welded | Threaded
Body materials
A216 WCB | A351 CF3M
Seat materials


Standard Features:
Floating ball | Soft seated | Full/Reduced bore | Bidirectional
Fire safe design | Antistatic design
Low emission packing | Live loaded stem packing
Double encapsulated body sealing
ISO 5211 top works for automation
Anti blowout stem
Self relieving seats | Pressure equalizing hole


Optional Features:
Upstream pressure relief hole
V-Port for flow control applications

NACE MR0175 compliance
Food grade compatible version (CE1935/2004 version)


Construction standards:

ASME B16.34 | ISO 17292
ISO 5211

NACE MR0175 materials (optional)


End connection standards:
SW – ASME B16.11 Socket Weld

BW – ASME B16.25 & B36.10M Butt Weld

NPT – ASME B1.20.1 Threaded

BW – ISO 1127 | ISO 4200 Butt Weld

BSPT – ISO 7-1 Threaded

BSPP – ISO 228-1 Threaded


Face to face standards:
Manufacturer standard


Pressure testing standards:
EN12266-1 | ISO 5208 | API 598 Rate A


Body materials:
Standard: A216 WCB; A351 CF3M | Optional: A352 LCC; A351 CF8


Trim materials:
Ball – Standard: A351 CF8M | Optional: A479 316/L, others Stem – Standard: A479 316/L | Optional: A564 S17400, others


Seat materials:
Standard: C-RPTFE | Optional: TFM 1600; PEEK


Bolting materials:
Standard: A193 B7, A193 B8M | Optional: A193 B7M; A320 L7M (NACE MR0175 compliance), others


Product certification:

Fire tested acc. to API 607 and ISO 10497

Fugitive emissions tested acc. to ISO 15848

Fugitive emissions tested acc. to TA-Luft VDI 2440

EAC – TR CU 010/032

ATEX 2014/34/EU

PED 2014/68/EU



2 Opposite sides Flattened Ends

Stem extensions with double packing
Simple stem extension
Lockable lever
Bracket for automation
Pneumatic actuator
Limit switch
Solenoid valve

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