QT SERIES Direct Gas Actuators PATENT PENDING Nr PR2008A000006

Transcription

1 QT SERIES Direct as ctuat tors PTENTT PENDIN Nr PR

2 QT SERIES Direct as ctuators INTRODUTION The DV utomation QT Scotch Yoke Series incorporates several new design features to provide higher efficiency and cost effective solutions. These actuators are compact in design but above all introduce a new generation of patented mechanismm which minimizes wearing effect on all loaded & sliding parts, thus extending overall lifespan. These features boost our QT Series for all modulating as well as heavy duty services suitable for any quarter turn (90 deg) application. OPERTIN RNE The DV utomation Double acting QT Series ctuators are available with individual test and guaranteed minimum output torque ranging from 1,800 Nm (15,900 lb in) to 180,000 Nm (1,593,000 lb in) Higher outpu torques are available on request The Direct as operating pressure for the QT Series ranges between 15 barg (290 psig) to barg (00 psig) Standardd design construction allows operating temperature from 30 deg ( 22 degf) to +100 deg (+212 degf) Low temperature option extends operating range down to 60 deg ( 76 degf) Supply medium: Sweet as (standard). Special versions are available for fire resistant, Sour as KEY DESIN FETURES & DVNTES Scotch Yoke: PTENTED mechanismm introduces three main features: Quad uide Bars Design Piston Rod uide Block New Design onnection losed Drive Yoke Wings for all housing sizess Mechanism uide System: PTENTED Quad uide Bar hard chromiumm plated minimizing guide block swing extending piston rod lifespan under heavy load &/or continuous modulating duty and avoiding any side load on valve stem. Excellent surface finish and self lubricated bearings accomplish higher overalll efficiency. External Tie Rod: External tie rods, zinc based chemical coating which resists hours of salt fog, maintain cylinder integrity. ontent may change opyright by DV automation alll rights reserved QT T1208IN 02

3 QT SERIES Direct as ctuators Symmetric or canted yoke: QT Series is available with either symmetric or canted yoke design to cover as closely as possible valve resistive torque profile. Water ingress protection: Totally enclosed and weather proof actuator is engineered to meet IP66, IP67 IP67M and NEM 4 & 4X Specifications for submerged and high pressure water deluge applications. Materials: ylinder Tube & all structural parts are manufactured in carbon steel material: no cast/grey iron or aluminium parts are used. ll pressure containing parts are supplied with 3.1 ertificate according to EN DV utomation guarantees, where applicable, thatt actuators are designed and manufacture ed according to PED (97/23 E) Directive. orrosion Prevention: ylinder tube is internally nickel plated higher reliability in harsh environmental conditions as per ISO (Expected Durability) and in compliance with NORSOK M R 501 requirements. Seal: lined (minimumm 25µm). Nickel plating layer can be increased upon request. External coating provides Teflon ring with internal charging O ring and external sealing O ring prevents sticking phenomena after prolonged stand still and ensures reduced hysteresis and high sensitivity. Bearing: Dual piston PTFE sliding guide, yoke and guide block are mounted with steel bronze Teflon coated bushing to minimize wearing effect and obtain higher sensitivity. ISO Valve Mounting: The QT Series valve interface responds to ISO 5211 dimensional requirements according to specific torque range. Different arrangements can be evaluated to meet specific need (i.e. MSS SP 101, etc. ); direct mounting is feasible if available space permits. Labelling: 3 Stainless Steel embossed name plate ensures guaranteeing lifetimee traceability. long lasting information preservation, thus Travel stops: External travel stops with protective cap ensure precisee angular stroke adjustment 90 5deg/+5deg. Versatility & Modularity: key features for a successful design The QT series has been designedd with modular concept in mind so to have field repairable housing, power and override modules available as individual sub assemblies to optimize spare parts inventory. Each module can be removed, serviced &/or replaced while actuator is still assembled onto the valve, without interrupting the process. Specifically power module is designed and constructed to allow pressure testing independently from the housing. ontent may change opyright by DV automation alll rights reserved QT T1208IN 03

4 QT SERIES Direct as ctuators Safety: Lifting point by means of DIN certified eyelet located on actuator housing. Mounting pad: ccessory mounting pad allows dual side mounting & does not require any fixing modification in case of rear side assembly. Manual Override: DV utomation provides hydraulic manual override (MH) to operate the valve in absence of power supply. Hydraulic manual override is mounted directly on actuator cylinder and includes: hand pump, directional control valve, oil tank, relief valve. dditional ancillary control equipment can be provided upon request. Mechanical locking device This device is wafer mounted between the actuator and the valve, normally integrated in valve mounting hardware. It offers basic partial stroke testing for Emergency Shutdown Valve automated package and it can be used for other safety processs applications. The locking device mechanical lly limits the valve/actuator assembly travel to 20deg (or as per specific ustomer request) clockwise or counter clockwise. Once disengaged, the complete assembly is free to travel for the entire stroke with no interference. ONTROL SYSTEM OPTIONL FETURES ctuator ontrol Systems are integral part of any automated valve package. Our QT Series ctuators can be equipped with an extensive range of auxiliary components specifically engineered and integrated to meet the largest variety of ustomers requests. DV utomation has already pre engineered different solutions to meet the most commonly required control systems. These solutions offer reduced lead time, simplified purchasing, commissioning and start up activities. Please contact factory for any additional detail. Standard control system: Local Manual ontrol Local and Remote ontrol Local and Remote c/w Pressure Pilot ESD Logic (High to lose or to Open, Low to lose or to Open) Local and Remote ontrol c/w Electric Fail Safe (to lose or to Open) Extended Features: utomatic Line Break ontrol Torque Limiting Devices Please contact factory for any additional detail. Position Monitor Device: ll positioning monitor devices can be assembled on top of our QT Series actuators, responding to any kind of technical requirement. ontent may change opyright by DV automation alll rights reserved QT T1208IN 04

5 Q QT SERIES Direcct as ctuato rs S OTH YO OKE Quad guid de bars hromium m Plated Lifting Eyelet uide Block Pin n Yoke uide Block H Housing PTTENT PEN NDIN Nr PR R on ntent may changee opyright by DV V automation alll rights reserved QT T1208IN 05

6 QT Series double acting torque QT SERIES Direct as ctuators Figure 1 Torque Torque for symmetric double acting QT ngular Position Figure 2 Torque for canted double acting QT Torque QT Series single acting torque ngular Position Torque Figure 3 Torque for symmetric single acting QT ngular Position Figure 4 Torque Torque for canted single acting QT ngular Position ontent may change opyright by DV automation alll rights reserved QT T1208IN 06

7 Q QT SERIES Direcct as ctuato rs QT Series dou uble actin ng section nal drawiing QT Item D Description EN Matterial Equivvalent to ST TM Material Housing over uid de block bushin ng Scotch yoke uide block uide bar ylin nder Head flangge Pistton rod bushingg P Piston rod seal Piston rod Piston yliinder End flange Traavel stop screw w Plug Stop screw protection Tie rod ylinder tube Piston seal Pistton sliding guide Y Yoke bushing uide block pin Traavel stop screw w S355 J23 EN E S355 J23 EN E arbon steel + Bronze B + PTFE S355 J23 EN E355 EN S355JR EN N rmo4 / 36rNiMo4 EN S355 J23 EN E arbon steel + Bronze B + PTFE NBR (FKM MFQ R) 36rNiMo4 EN S355 J23 EN E S355 J23 EN E lass 45H ISO I 4026 lass 8.8 ISSO 4017 S235 J23 EN E STM 320L7 E355K K2+N EN10297 E335+N EN NBR (FKM MFQ R) PTFE+raphite arbon steel + Bronze B + PTFE 36rNiMo4 EN lass 45H ISO I 4026 arbon steel + Bronze + PTFE STM 570 r STM 500 r. STM 572 r 50 ISI (984 40) arbon steel + Bronze + PTFE NBR (FKM MFQ M R) ISI (984 40) lass 45H ISO O 4026 lass 8.8 ISO O 4017 STM 570 rade 50 STM 32 20L7 STM 500 rade NBR (FKM MFQ M R) PTFE+rap phite arbon steel + Bronze + PTFE ISI (984 40) lass 45H ISO O 4026 on ntent may changee opyright by DV V automation alll rights reserved QT T1208IN 07

8 Q QT SERIES Direcct as ctuato rs QT Se eries singgle acting sectionaal drawingg QTS Item Description n EN Material M Equivvalent to SSTM Materiaal Housing over uide bar Scotch yoke uide block bush hing uide block ylinder Head flaange Piston rod bushiing Piston rod seaal Piston rod Piston ylinder End flan nge Travel stop screew Plug S Stop screw protecction Tie rod Piston seal Piston sliding gu uide ylinder tubee uide block pin Yoke bushingg ontainer rod busshing S Spring artridge tube t Spring cartridge load d flange Spring Spring cartridge rod Sprin ng cartridge rod bushing b Travel stop screew S355 J2 3 EN S355 J2 3 EN rMo4 EN S S355 J23 EN E355 EN arbon steel + Bronze + PTFE S355JR EN S355 J2 3 EN arbon steel + Bronze + PTFE NBR (FKM MFQ R) 42rMo4 /36 rnimo4 EN S355 J2 3 EN S355 J2 3 EN lass 45H ISO 4026 lass 8.8 ISO 4017 S235 J2 3 EN STM M 320L7 NBR (FKM MFQ R) PTFE+ +raphite E3 355K2+N EN E355+N EN rNiMo o4 EN arbon steel + Bronze + PTFE arbon steel + Bronze + PTFE E355 EN S335 J2 3 EN EN FDSir 42rMo4 EN arbon steel + Bronze + PTFE lass 45H ISO 4026 ISI (984 40) STM M 570 r STM 500 r. arbon steel + Bronze + PTFE STM 572 r 50 arbon steel + Bronze + PTFE NBR (FKM MFQ M R) ISI (984 40) lass 45H ISO O 4026 lass 8.8 ISO O 4017 STM 570 rade 50 STM 32 20L7 NBR (FKM MFQ M R) PTFE+rap phite STM 500 rade ISI (984 40) arbon steel + Bronze + PTFE arbon steel + Bronze + PTFE STM 500 r. + STM 106 r.b STM ISI (984 40) arbon steel + Bronze + PTFE lass 45H ISO O 4026 on ntent may changee opyright by DV V automation alll rights reserved QT T1208IN 08

9 QT SERIES Direct as ctuators QT double acting Output Torques (Nm) for symmetric yoke mechanismm MODEL Nm/Barg at 0 (OP) (L) Nm/Barg at 45 (OP) (L) Nm/Barg at 90 (OP) (L) DISPL (l) ylinder nominal Pressure (Barg) QT 010S 95 QT 010S 120 QT 0S 95 QT 0S 120 QT 0S 135 QT 030S 120 QT 030S 135 QT 030S 150 QT 060S 150 QT 060S 175 QT 120S 200 QT 120S 235 QT 180S 235 QT 180S QT double acting Output Torques (Nm) for canted yoke mechanism MODEL Nm/Barg at 0 (OP) (L) Nm/ Barg at 45 (OP) (L) Nm/Barg at 90 DISPL (OP) (L) (l) ylinder nominal Pressure (Barg) QT QT QT 0 95 QT QT QT QT QT QT QT QT QT QT QT ontent may change opyright by DV automation alll rights reserved QT T1208IN 09

10 QT SERIES Direct as ctuators QT Typical ontrol System l HPLR (High Pressure Local/Remote ontrol LB (utomatic line break control) ontent may change opyright by DV automation all rights reserved QT T1208IN 010

11 Housing Mounting holes and interface QT SERIES Direct as ctuators Model Size B D E F H I N.4 M N.4 M N.4 M N.4 M N.4 M N.4 M over and Yoke mounting holes Model Size B D E F N.4 M10 N..4 M4 4 M N.4 M N..4 M5 4 M N.4 M N..4 M5 4 M N.4 M N..4 M8 4 M N.4 M N..4 M8 4 M N.4 M 240 N..4 M8 4 M6 ontent may change opyright by DV automation all rights reserved QT T1208IN 011

12 QT SERIES Direct as ctuators oupling dimensions for models Model Size B D E F H I N.8 M N.8 M N.8 M N.8 M oupling dimensionss for models Model Size B D E N. 12 M36 7 N. M36 8 F H I ontent may change opyright by DV automation all rights reserved QT T1208IN 012

13 QT SERIES Direct as ctuators NOTES: ontent may change opyright by DV automation all rights reserved QT T1208IN 013

14 BY SERIES Hydraulic ctuators DV UTOMTION S.p.. Legal & Operative HQ:I 290 ortemaggiore (P), via.rossetti, 2 RE Nr 7410/ VT Nr info@dvgautomation.it Tel. (+39) Fax (+39)